A storm front moves over the U.S. Capitol building as seen from the National Mall in Washington, U.S. April 4, 2018. REUTERS/Leah Millis

Signage is displayed outside Norms Diner on La Cienega Boulevard in Los Angeles, California May 20, 2015. The diner, celebrated as a classic example of mid-20th century Space Age-style Googie architecture, was granted historic monument status by city officials on Wednesday, protecting it from the threat of demolition. The Los Angeles City Council voted unanimously with three people absent to designate the 1956 Norms restaurant as a "historic-cultural monument," citing the need to preserve distinctive buildings of the city. REUTERS/Patrick T. Fallon

Signage is displayed outside Norms Diner on La Cienega Boulevard in Los Angeles, California May 20, 2015. The diner, celebrated as a classic example of mid-20th century Space Age-style Googie architecture, was granted historic monument status by city officials on Wednesday, protecting it from the threat of demolition. The Los Angeles City Council voted unanimously with three people absent to designate the 1956 Norms restaurant as a "historic-cultural monument," citing the need to preserve distinctive buildings of the city. REUTERS/Patrick T. Fallon

Customers wait for tables at Norms Diner on La Cienega Boulevard in Los Angeles, California May 20, 2015. The diner, celebrated as a classic example of mid-20th century Space Age-style Googie architecture, was granted historic monument status by city officials on Wednesday, protecting it from the threat of demolition. The Los Angeles City Council voted unanimously with three people absent to designate the 1956 Norms restaurant as a "historic-cultural monument," citing the need to preserve distinctive buildings of the city. REUTERS/Patrick T. Fallon

A waitress seats customers dining at Norms Diner on La Cienega Boulevard in Los Angeles, California May 20, 2015. The diner, celebrated as a classic example of mid-20th century Space Age-style Googie architecture, was granted historic monument status by city officials on Wednesday, protecting it from the threat of demolition. The Los Angeles City Council voted unanimously with three people absent to designate the 1956 Norms restaurant as a "historic-cultural monument," citing the need to preserve distinctive buildings of the city. REUTERS/Patrick T. Fallon

Signage is displayed outside Norms Diner on La Cienega Boulevard in Los Angeles, California May 20, 2015. The diner, celebrated as a classic example of mid-20th century Space Age-style Googie architecture, was granted historic monument status by city officials on Wednesday, protecting it from the threat of demolition. The Los Angeles City Council voted unanimously with three people absent to designate the 1956 Norms restaurant as a "historic-cultural monument," citing the need to preserve distinctive buildings of the city. REUTERS/Patrick T. Fallon

A steak and fried shrimp combo plate is served to a customer at Norms Diner on La Cienega Boulevard in Los Angeles, California May 20, 2015. The diner, celebrated as a classic example of mid-20th century Space Age-style Googie architecture, was granted historic monument status by city officials on Wednesday, protecting it from the threat of demolition. The Los Angeles City Council voted unanimously with three people absent to designate the 1956 Norms restaurant as a "historic-cultural monument," citing the need to preserve distinctive buildings of the city. REUTERS/Patrick T. Fallon

Signage is displayed outside Norms Diner on La Cienega Boulevard in Los Angeles, California May 20, 2015. The diner, celebrated as a classic example of mid-20th century Space Age-style Googie architecture, was granted historic monument status by city officials on Wednesday, protecting it from the threat of demolition. The Los Angeles City Council voted unanimously with three people absent to designate the 1956 Norms restaurant as a "historic-cultural monument," citing the need to preserve distinctive buildings of the city. REUTERS/Patrick T. Fallon

Customer Elaine Kasoff, (R), dines with her dog Rocky and Philecia Panton at Norms Diner on La Cienega Boulevard in Los Angeles, California May 20, 2015. The diner, celebrated as a classic example of mid-20th century Space Age-style Googie architecture, was granted historic monument status by city officials on Wednesday, protecting it from the threat of demolition. The Los Angeles City Council voted unanimously with three people absent to designate the 1956 Norms restaurant as a "historic-cultural monument," citing the need to preserve distinctive buildings of the city. REUTERS/Patrick T. Fallon

Manger Mel Lara, far right, smiles at an elderly customer's dog under the table as they dine at Norms Diner on La Cienega Boulevard in Los Angeles, California May 20, 2015. The diner, celebrated as a classic example of mid-20th century Space Age-style Googie architecture, was granted historic monument status by city officials on Wednesday, protecting it from the threat of demolition. The Los Angeles City Council voted unanimously with three people absent to designate the 1956 Norms restaurant as a "historic-cultural monument," citing the need to preserve distinctive buildings of the city. REUTERS/Patrick T. Fallon

Signage is displayed outside Norms Diner on La Cienega Boulevard in Los Angeles, California May 20, 2015. The diner, celebrated as a classic example of mid-20th century Space Age-style Googie architecture, was granted historic monument status by city officials on Wednesday, protecting it from the threat of demolition. The Los Angeles City Council voted unanimously with three people absent to designate the 1956 Norms restaurant as a "historic-cultural monument," citing the need to preserve distinctive buildings of the city. REUTERS/Patrick T. Fallon

Signage is displayed outside Norms Diner on La Cienega Boulevard in Los Angeles, California May 20, 2015. The diner, celebrated as a classic example of mid-20th century Space Age-style Googie architecture, was granted historic monument status by city officials on Wednesday, protecting it from the threat of demolition. The Los Angeles City Council voted unanimously with three people absent to designate the 1956 Norms restaurant as a "historic-cultural monument," citing the need to preserve distinctive buildings of the city. REUTERS/Patrick T. Fallon

Signage is displayed outside Norms Diner on La Cienega Boulevard in Los Angeles, California May 20, 2015. The diner, celebrated as a classic example of mid-20th century Space Age-style Googie architecture, was granted historic monument status by city officials on Wednesday, protecting it from the threat of demolition. The Los Angeles City Council voted unanimously with three people absent to designate the 1956 Norms restaurant as a "historic-cultural monument," citing the need to preserve distinctive buildings of the city. REUTERS/Patrick T. Fallon

Customers dine at Norms Diner on La Cienega Boulevard in Los Angeles, California May 20, 2015. The diner, celebrated as a classic example of mid-20th century Space Age-style Googie architecture, was granted historic monument status by city officials on Wednesday, protecting it from the threat of demolition. The Los Angeles City Council voted unanimously with three people absent to designate the 1956 Norms restaurant as a "historic-cultural monument," citing the need to preserve distinctive buildings of the city. REUTERS/Patrick T. Fallon

A clock made with forks tells time at Norms Diner on La Cienega Boulevard in Los Angeles, California May 20, 2015. The diner, celebrated as a classic example of mid-20th century Space Age-style Googie architecture, was granted historic monument status by city officials on Wednesday, protecting it from the threat of demolition. The Los Angeles City Council voted unanimously with three people absent to designate the 1956 Norms restaurant as a "historic-cultural monument," citing the need to preserve distinctive buildings of the city. REUTERS/Patrick T. Fallon

A waitress carries food as customers dine at Norms Diner on La Cienega Boulevard in Los Angeles, California May 20, 2015. The diner, celebrated as a classic example of mid-20th century Space Age-style Googie architecture, was granted historic monument status by city officials on Wednesday, protecting it from the threat of demolition. The Los Angeles City Council voted unanimously with three people absent to designate the 1956 Norms restaurant as a "historic-cultural monument," citing the need to preserve distinctive buildings of the city. REUTERS/Patrick T. Fallon

A waitress serves a steak and fried shrimp combo plate to a customer at Norms Diner on La Cienega Boulevard in Los Angeles, California May 20, 2015. The diner, celebrated as a classic example of mid-20th century Space Age-style Googie architecture, was granted historic monument status by city officials on Wednesday, protecting it from the threat of demolition. The Los Angeles City Council voted unanimously with three people absent to designate the 1956 Norms restaurant as a "historic-cultural monument," citing the need to preserve distinctive buildings of the city. REUTERS/Patrick T. Fallon

Mark and Minnie Kramer (R), customers for 42 years, dine with their nurse Sophia Horton (L) at Norms Diner on La Cienega Boulevard in Los Angeles, California May 20, 2015. The diner, celebrated as a classic example of mid-20th century Space Age-style Googie architecture, was granted historic monument status by city officials on Wednesday, protecting it from the threat of demolition. The Los Angeles City Council voted unanimously with three people absent to designate the 1956 Norms restaurant as a "historic-cultural monument," citing the need to preserve distinctive buildings of the city. REUTERS/Patrick T. Fallon

A woman walks past Norms Diner on La Cienega Boulevard in Los Angeles, California May 20, 2015.The diner, celebrated as a classic example of mid-20th century Space Age-style Googie architecture, was granted historic monument status by city officials on Wednesday, protecting it from the threat of demolition. The Los Angeles City Council voted unanimously with three people absent to designate the 1956 Norms restaurant as a "historic-cultural monument," citing the need to preserve distinctive buildings of the city. REUTERS/Patrick T. Fallon

Parking valet Bo Hagstrom of Sweden poses near a Rolls Royce classic automobile in front of the Casino de Monte Carlo in Monaco April 9, 2014. The luxurious Casino de Monte Carlo welcomes thousands of visitors every year to try their luck in its grand Belle Epoque gaming rooms. The casino was inaugurated in 1863 and its late nineteenth century architecture inspired novelist Ian Fleming's casino in his first James Bond spy novel, "Casino Royale". The casino and Monte Carlo were featured in the James Bond movies "Never Say Never Again" and "GoldenEye". Perched above the Mediterranean and bounded by the French and Italian coastlines on either side, Monaco is the world's smallest independent state after the Vatican City. Picture taken April 9, 2014. REUTERS/Eric Gaillard (MONACO - Tags: SOCIETY BUSINESS TRAVEL TRANSPORT PORTRAIT)

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Tourists ride a U.S.-made 1957 Chevrolet Bel-Air convertible car on Havana's seafront boulevard "El Malecon" May 21, 2013. People pay a lot of money to visit the Caribbean island that has been mostly off limits the past half century even though it is just 90 miles (145 km) from Florida. A four-day trip to Havana for two costs nearly $5,000, not including airfare, but the forbidden fruit aspect of Cuba is a big draw, said Edward Piegza, who led the first trip for his San Diego, California-based travel company Classic Journeys. Tourists from other parts of the world, mostly Canada and Europe, freely visit the island for its beaches, vintage American cars and Spanish colonial architecture. Picture taken May 21, 2013. REUTERS/Desmond Boylan (CUBA - Tags: SOCIETY POLITICS TRANSPORT TRAVEL CITYSCAPE BUSINESS)

U.S. "people-to-people" tourists stand beside a natural sea pool in the Zapata Swamp in southern Cuba April 7, 2012. People pay a lot of money to visit the Caribbean island that has been mostly off limits the past half century even though it is just 90 miles (145 km) from Florida. A four-day trip to Havana for two costs nearly $5,000, not including airfare, but the forbidden fruit aspect of Cuba is a big draw, said Edward Piegza, who led the first trip for his San Diego, California-based travel company Classic Journeys. Tourists from other parts of the world, mostly Canada and Europe, freely visit the island for its beaches, vintage American cars and Spanish colonial architecture. Picture taken April 7, 2012. REUTERS/Desmond Boylan (CUBA - Tags: POLITICS TRAVEL BUSINESS)

Tourists compare skin tans on Havana's seafront boulevard "El Malecon" in Havana July 4, 2013. People pay a lot of money to visit the Caribbean island that has been mostly off limits the past half century even though it is just 90 miles (145 km) from Florida. A four-day trip to Havana for two costs nearly $5,000, not including airfare, but the forbidden fruit aspect of Cuba is a big draw, said Edward Piegza, who led the first trip for his San Diego, California-based travel company Classic Journeys. Tourists from other parts of the world, mostly Canada and Europe, freely visit the island for its beaches, vintage American cars and Spanish colonial architecture. Picture taken July 4, 2013. REUTERS/Desmond Boylan (CUBA - Tags: SOCIETY POLITICS TRAVEL BUSINESS)

A tourist displays his tattoos on a beach on the outskirts of Havana April 14, 2013. People pay a lot of money to visit the Caribbean island that has been mostly off limits the past half century even though it is just 90 miles (145 km) from Florida. A four-day trip to Havana for two costs nearly $5,000, not including airfare, but the forbidden fruit aspect of Cuba is a big draw, said Edward Piegza, who led the first trip for his San Diego, California-based travel company Classic Journeys. Tourists from other parts of the world, mostly Canada and Europe, freely visit the island for its beaches, vintage American cars and Spanish colonial architecture. Picture taken April 14, 2013. REUTERS/Desmond Boylan (CUBA - Tags: SOCIETY POLITICS TRAVEL BUSINESS)

Tourists exercise in the water at the Santa Maria Key Resort in central Cuba April 4, 2013. People pay a lot of money to visit the Caribbean island that has been mostly off limits the past half century even though it is just 90 miles (145 km) from Florida. A four-day trip to Havana for two costs nearly $5,000, not including airfare, but the forbidden fruit aspect of Cuba is a big draw, said Edward Piegza, who led the first trip for his San Diego, California-based travel company Classic Journeys. Tourists from other parts of the world, mostly Canada and Europe, freely visit the island for its beaches, vintage American cars and Spanish colonial architecture. Picture taken April 4, 2013. REUTERS/Desmond Boylan (CUBA - Tags: POLITICS BUSINESS TRAVEL ENVIRONMENT)

Tourists learn to dance on a beach at the Santa Maria Key Resort in central Cuba April 5, 2013. People pay a lot of money to visit the Caribbean island that has been mostly off limits the past half century even though it is just 90 miles (145 km) from Florida. A four-day trip to Havana for two costs nearly $5,000, not including airfare, but the forbidden fruit aspect of Cuba is a big draw, said Edward Piegza, who led the first trip for his San Diego, California-based travel company Classic Journeys. Tourists from other parts of the world, mostly Canada and Europe, freely visit the island for its beaches, vintage American cars and Spanish colonial architecture. Picture taken April 5, 2013. REUTERS/Desmond Boylan (CUBA - Tags: TRAVEL ENVIRONMENT POLITICS BUSINESS)

Tourists exercise in the water in the Santa Maria Key Resort in central Cuba April 4, 2013. People pay a lot of money to visit the Caribbean island that has been mostly off limits the past half century even though it is just 90 miles (145 km) from Florida. A four-day trip to Havana for two costs nearly $5,000, not including airfare, but the forbidden fruit aspect of Cuba is a big draw, said Edward Piegza, who led the first trip for his San Diego, California-based travel company Classic Journeys. Tourists from other parts of the world, mostly Canada and Europe, freely visit the island for its beaches, vintage American cars and Spanish colonial architecture. Picture taken April 4, 2013. REUTERS/Desmond Boylan (CUBA - Tags: POLITICS BUSINESS TRAVEL ENVIRONMENT)

Switzerland's Foreign Minister Micheline Calmy-Rey (L) walks down stairs with a Federal Usher in the Swiss Federal Palace in Bern December 15, 2010. REUTERS/Michael Buholzer (SWITZERLAND - Tags: POLITICS)

The Sagrada Familia temple is surrounded by construction cranes in Barcelona November 4, 2010. Pope Benedict XVI will arrive in Spain on November 6 and consecrate the Sagrada Familia, the famous unfinished work of Catalan architect Antonio Gaudi, as a basilica on Sunday. REUTERS/Gustau Nacarino (SPAIN - Tags: SOCIETY RELIGION)

A banner hung at the Sagrada Familia temple announces the upcoming visit of Pope Benedict XVI in Barcelona November 4, 2010. Pope Benedict XVI will arrive in Spain on November 6 and will consecrate the Sagrada Familia, the famous unfinished work of Catalan architect Antonio Gaudi, as a basilica on Sunday. REUTERS/Gustau Nacarino (SPAIN - Tags: SOCIETY RELIGION)

A waitress carrying an umbrella walks down the driveway to Chateau Laffitte Hotel, an imitation of the 1650 Chateau Maisons-Laffitte by French architect Francois Mansart, located on the outskirts of Beijing August 16, 2010. China's richest citizens are even wealthier than the statistics suggest, and may hold as much as 9.3 trillion yuan (US$1.4 trillion) of hidden assets, according to a Credit Suisse-sponsored study by a top economic think-tank. And nearly two thirds of that unreported income goes into the pockets of the richest 10 percent, widening China's already troubling wealth gap, said Wang Xiaolu, the economist at the China Society of Economic Reform (CSER), who headed the survey. REUTERS/David Gray (CHINA - Tags: SOCIETY BUSINESS)

A student studies on the campus of Yale University in New Haven, Connecticut, October 7, 2009. REUTERS/Shannon Stapleton (UNITED STATES)

A man walks past the Romanian Athenaeum, venue of the biennial Enescu Festival, in Bucharest September 24, 2009. To the astonishment of audiences and musicians alike, one of the poorest countries in the European Union spends some 7 million euros ($10.18 million) every two years to stage one of the world's most lavish classical music festivals. Founded in 1958 following the death in 1955 of Romania's most famous composer, George Enescu, the biennial festival is now an attempt to make the world see Romania in a new light. Picture taken September 24, 2009. To match feature ROMANIA/FESTIVAL REUTERS/Bogdan Cristel (ROMANIA SOCIETY)

A view of the Butler Library campus of Columbia University in New York in this picture taken October 2, 2009. REUTERS/Mike Segar (UNITED STATES)

A Unicredit's sign is seen at the bank's headquarters in downtown Milan October 5, 2008. Merrill Lynch and Italy's Mediobanca are working on a 2.0-2.5 billion euro capital increase for UniCredit, Italy's second-biggest bank by market value, a financial source said on Sunday. REUTERS/Alessandro Garofalo (ITALY)

The National Assembly in Paris is lighted up as France marks the start of its six-month presidency of the European Union July 1, 2008. REUTERS/Benoit Tessier (FRANCE)

Manchester United supporters cheer for their team in downtown Rome April 1, 2008. REUTERS/Dario Pignatelli (ITALY)

Mike Weir from Canada tees off on the 18th hole during the first day of the Hong Kong Open golf tournament in Hong Kong November 15, 2007. REUTERS/Bobby Yip (CHINA)

A man parks a car in front of the St Basil's Cathedral in Moscow's Red Square before the start of the Golden Ring classic car rally July 7, 2007. During the four-day race participants will travel 1200 km (746 miles) along the Golden Ring route, a ring of ancient cities that constitute the historic centre of Russia, the organiser said. REUTERS/Alexander Natruskin (RUSSIA)

Workers lay carpets inside the premises of Sindh High Court building ahead of chief justice's reception in Karachi May 11, 2007. Police in Pakistan detained hundreds of activists on the eve of an anti-government rally to welcome the country's suspended top judge to Karachi, opposition leaders said on Friday. REUTERS/Athar Hussain (PAKISTAN)

People walk past Valencia's bullring in downtown Valencia May 8, 2007. REUTERS/Dani Cardona (SPAIN)

People walk past Valencia's bullring in downtown Valencia May 8, 2007. REUTERS/Dani Cardona(SPAIN)

The "Rabbit " of the Talbot, a vintage British car, is seen in front of the church of Sitges during the 49th annual Vintage Car Rally from Barcelona to the seaside resort of Sitges March 18, 2007. Fans of vintage automobiles, some in 1920s costumes, negotiated the winding route from Barcelona to Sitges, about 40 km (24 miles), on Sunday. REUTERS/Gustau Nacarino (SPAIN)

A cat rests at the ruins of the ancient Ephesus near Selcuk, 70km (43 miles) from the western Turkish coastal city of Izmir November 18, 2006. The site is one of the places may be visited by the Pope Benedict XVI who is also expected to hold a mass at Mary's House during his visit to Turkey in the end of November. Picture was taken on November 18, 2006. REUTERS/Fatih Saribas (TURKEY)

Indian men participate in a traditional wrestling match known as kusti during annual Dussehra celebrations in Mysore, about 148 km (92 miles) south from the southern Indian city of Bangalore October 2, 2006. The festival of Dussehra is celebrated to mark the victory of good over evil. REUTERS/Jagadeesh Nv (INDIA) BEST QUALITY AVAILABLE

Bicycles are parked outside the Italian built Roman Catholic Cathedral on Harnet Avenue in the capital of Asmara, June 22, 2006. Many African countries are eager to throw off reminders of colonial rule but Eritrea seems to have a lingering affinity with Italy, most of whose citizens have long departed. Picture taken June 22, 2006. REUTERS/Ed Harris (ERITREA)

A classic Balinese temple entrance at the compound of master woodworker Ketut Puja near the village of Mas, Bali, August 12, 2003. Traditional Balinese woodcarving has evolved from decorative architectural ornamentation into an art form in it's own right. Puja crafts his scultures from one piece of wood, sometimes taking years to complete a project.

A classic Balinese temple entrance at the compound of master woodworker
Ketut Puja near the village of Mas, Bali, August 12, 2003. Traditional
Balinese woodcarving has evolved from decorative architectural
ornamentation into an art form in it's own right. Puja crafts his
scultures from one piece of wood, sometimes taking years to complete a
project. REUTERS/Bob Strong

RCS

A window cleaner stands on the roof of a 1910s neo-classical building in central Athens to work on the glass wall of the modern Ergobank offices where a nearby 1960s office building is reflected April 12. Central Athens architecture boasts a mix of styles, with traditional buildings dating back to Classical times standing next to modern glass structures.

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