The holy shrine of Hani Bin A'rwa is seen empty from pilgrims, following an outbreak of the coronavirus, at the Kufa mosque, in the holy city of Najaf, Iraq February 27, 2020. Picture taken February 27, 2020. REUTERS/Alaa al-Marjani 

The holy shrine of Muslim Bin Aqeel is seen empty from pilgrims, following an outbreak of the coronavirus, at the Kufa mosque, in the holy city of Najaf, Iraq February 27, 2020. Picture taken February 27, 2020. REUTERS/Alaa al-Marjani 

A banner by Greenpeace that reads "Consumerism=climate crisis" is seen hanging at Gran Via street during Black Friday in Madrid, Spain, November 29, 2019. REUTERS/Susana Vera 

A Greenpeace banner reading "Consumerism=Climate Crisis" hangs at Gran Via street during Black Friday in Madrid, Spain, November 29, 2019. REUTERS/Susana Vera 

A general view shows the Malecon as Hurricane Willa approaches the Pacific beach resort of Mazatlan, Mexico October 23, 2018. REUTERS/Henry Romero 

A general view shows the Malecon as Hurricane Willa approaches the Pacific beach resort of Mazatlan, Mexico October 23, 2018. REUTERS/Henry Romero 

Sets of gold bangles are displayed in a showcase of a showroom selling bridal jewellery in Peshawar, Pakistan May 9, 2018. REUTERS/Fayaz Aziz 

A miner washes gold at Makala gold mine camp near the town of Mongbwalu in Ituri province, eastern Democratic Republic of Congo, April 7, 2018. Picture taken April 7, 2018. REUTERS/Goran Tomasevic 

A man wears a pendant of the traditional "Virgen del Carmen" one day before arrival of the Pope Francis in Iquique, Chile, January 17, 2018. REUTERS/Rodrigo Garrido 

Silver rings are worn by a man speaking on his mobile phone in Peshawar, Pakistan January 17, 2018. REUTERS/Fayaz Aziz 

Silver rings are seen displayed for sale at a workshop in Hanoi, Vietnam January 17, 2018. REUTERS/Kham 

A dog sits next to decorative silver animals at Silber Sturm, a traditional silverware shop in Vienna, Austria, January 15, 2018. REUTERS/Heinz-Peter Bader 

A worker pours liquid gold into a mould at the Austrian Gold and Silver Separating Plant 'Oegussa' in Vienna, Austria, December 15, 2017. REUTERS/Leonhard Foeger 

A worker places gold jewellery into a melting furnace at the Austrian Gold and Silver Separating Plant 'Oegussa' in Vienna, Austria, December 15, 2017. REUTERS/Leonhard Foeger 

A goldsmith works on a golden ring in a workshop of a jeweller's shop in Vienna, Austria, December 14, 2017. REUTERS/Leonhard Foeger 

A goldsmith arranges golden earrings as she counts them at a workshop in Colombo, Sri Lanka December 14, 2017. REUTERS/Dinuka Liyanawatte 

Gold necklaces are seen in a jewellery shop in downtown Rome, Italy, December 11, 2017. REUTERS/Max Rossi 

The word "gold" is seen on sticker near a ring in a jewellery shop in Bordeaux, France, December 9, 2017. REUTERS/Regis Duvignau 

Hostess carries a set of truffles weighing 450 grams during the international auction for truffles at the Grinzane Castle in Grinzane Cavour near Alba, Italy, November 12, 2017. REUTERS/ Stefano Rellandini 

Ingots of 99.99 percent pure gold are cast at the Krastsvetmet non-ferrous metals plant, one of the world's largest producers in the precious metals industry, in the Siberian city of Krasnoyarsk, Russia September 22, 2017. REUTERS/Ilya Naymushin 

Gold U.S. dollar bullion coins are seen in this photo illustration taken in Moscow, Russia August 4, 2017. Picture taken August 4, 2017. REUTERS/Maxim Shemetov/Illustration 

A view of the luxurious seaside city of Punta del Este in Uruguay January 12, 2017. REUTERS/Andres Stapff 

Gold is displayed for sale in Tripoli city, North Lebanon July 23, 2016. REUTERS/Jamal Saidi 

Gucci logo is seen in a store at Fiumicino airport in Rome, Italy, April 11, 2016. REUTERS/Max Rossi 

A Gucci shoe is seen in a store at Fiumicino airport in Rome, Italy, April 11, 2016. REUTERS/Max Rossi 

Yves Saint Laurent perfume is seen in a store at Fiumicino airport in Rome, Italy, April 11, 2016. REUTERS/Max Rossi 

Yves Saint Laurent logo is seen in a store at Fiumicino airport in Rome, Italy, April 11, 2016. REUTERS/Max Rossi 

Former Chief Executive Officer of German luxury car company Porsche AG, Wendelin Wiedeking leaves the court in Stuttgart, Germany March 18, 2016, after being aquitted of alleged market manipulation in the wake of one of the auto industry's most controversial takeover battles. REUTERS/Michaela Rehle TPX IMAGES OF THE DAY

Former Chief Executive Officer of German luxury car company Porsche AG, Wendelin Wiedeking arrives for his trial at the court in Stuttgart, Germany March 18, 2016. REUTERS/Michaela Rehle TPX IMAGES OF THE DAY

Harald Krueger, Chief Executive of German luxury carmaker BMW poses next to a BMW i vision after a news conference in Munich, southern Germany, March 16, 2016. REUTERS/Michael Dalder 

Harald Krueger, Chief Executive of German luxury carmaker BMW poses next to a BMW i vision after a news conference in Munich, southern Germany, March 16, 2016. REUTERS/Michael Dalder 

Ian Robertson, boardmember of German luxury carmaker BMW during a news conference in Munich, southern Germany, March 16, 2016. REUTERS/Michael Dalder

Klaus Draeger, boardmember of German luxury carmaker BMW during a news conference in Munich, southern Germany, March 16, 2016. REUTERS/Michael Dalder

Peter Schwarzenbauer, boardmember of German luxury carmaker BMW during a news conference in Munich, southern Germany, March 16, 2016. REUTERS/Michael Dalder

Milagros Caina Carreiro-Andree, boardmember of German luxury carmaker BMW during a news conference in Munich, southern Germany, March 16, 2016. REUTERS/Michael Dalder

Klaus Froehlich, boardmember of German luxury carmaker BMW during a news conference in Munich, southern Germany, March 16, 2016. REUTERS/Michael Dalder

Friedrich Eichiner, boardmember of German luxury carmaker BMW during a news conference in Munich, southern Germany, March 16, 2016. REUTERS/Michael Dalder

Oliver Zipse, boardmember of German luxury carmaker BMW during a news conference in Munich, southern Germany, March 16, 2016. REUTERS/Michael Dalder

Harald Krueger, Chief Executive of German luxury carmaker BMW addresses a news conference in Munich, southern Germany, March 16, 2016. BMW unveiled a new strategy on Wednesday to focus on achieving further advances in electric vehicles, automated driving and to develop new services in the field of premium individual mobility. REUTERS/Michael Dalder 

Harald Krueger, Chief Executive of German luxury carmaker BMW addresses a news conference in Munich, southern Germany, March 16, 2016. BMW unveiled a new strategy on Wednesday to focus on achieving further advances in electric vehicles, automated driving and to develop new services in the field of premium individual mobility. REUTERS/Michael Dalder 

Harald Krueger, Chief Executive of German luxury carmaker BMW is seen on a screen as he addresses a news conference in Munich, southern Germany, March 16, 2016. BMW unveiled a new strategy on Wednesday to focus on achieving further advances in electric vehicles, automated driving and to develop new services in the field of premium individual mobility. REUTERS/Michael Dalder 

Harald Krueger, Chief Executive of German luxury carmaker BMW is seen on a screen as he addresses a news conference in Munich, southern Germany, March 16, 2016. BMW unveiled a new strategy on Wednesday to focus on achieving further advances in electric vehicles, automated driving and to develop new services in the field of premium individual mobility. REUTERS/Michael Dalder 

Harald Krueger, Chief Executive of German luxury carmaker BMW ?s silhouetted as he addresses a news conference in Munich, southern Germany, March 16, 2016. BMW unveiled a new strategy on Wednesday to focus on achieving further advances in electric vehicles, automated driving and to develop new services in the field of premium individual mobility. REUTERS/Michael Dalder 

Harald Krueger, Chief Executive of German luxury carmaker BMW addresses a news conference in Munich, southern Germany, March 16, 2016. BMW unveiled a new strategy on Wednesday to focus on achieving further advances in electric vehicles, automated driving and to develop new services in the field of premium individual mobility. REUTERS/Michael Dalder 

Harald Krueger, Chief Executive of German luxury carmaker BMW addresses a news conference in Munich, southern Germany, March 16, 2016. BMW unveiled a new strategy on Wednesday to focus on achieving further advances in electric vehicles, automated driving and to develop new services in the field of premium individual mobility. REUTERS/Michael Dalder 

Harald Krueger, Chief Executive of German luxury carmaker BMW arrives for a news conference in Munich, southern Germany, March 16, 2016. BMW unveiled a new strategy on Wednesday to focus on achieving further advances in electric vehicles, automated driving and to develop new services in the field of premium individual mobility. REUTERS/Michael Dalder 

Harald Krueger, Chief Executive of German luxury carmaker BMW arrives for a news conference in Munich, southern Germany, March 16, 2016. BMW unveiled a new strategy on Wednesday to focus on achieving further advances in electric vehicles, automated driving and to develop new services in the field of premium individual mobility. REUTERS/Michael Dalder 

A woman walks past a Louis Vuitton shop in downtown Brussels, Belgium March 10, 2016. REUTERS/Yves Herman 

A Louis Vuitton logo is seen on a shop in downtown Brussels, Belgium March 10, 2016. REUTERS/Yves Herman 

A woman walks past a Dior shop in downtown Brussels, Belgium March 10, 2016. REUTERS/Yves Herman 

The logo of Tumi is seen in a shop in downtown Rome, Italy March 4, 2016. Samsonite International S.A. said on Friday it would buy Tumi Holdings Inc for $26.75 per share in an all-cash transaction valuing Tumi at $1.8 billion, as the world's biggest luggage group expands in the luxury market. REUTERS/Max Rossi TPX IMAGES OF THE DAY

Business people shelter from the rain under outside a luxury store in Tokyo, Japan, February 15, 2016. Japan's economy shrank more than expected in the final quarter of last year as consumer spending and exports slumped, adding to headaches for policymakers already wary of damage the financial market rout could inflict on a fragile recovery. REUTERS/Thomas Peter TPX IMAGES OF THE DAY

A Saudi man displays jewellery at a store in Riyadh, Saudi Arabia December 21, 2015. Picture taken December 21, 2015. REUTERS/Faisal Al Nasser 

EDITORIAL USE ONLY - NO COMMERCIAL OR BOOK SALES. A Syrian refugee boy sits on a beach after disembarking from a luxury yacht used by about 250 other Syrian refugees and to travel across the Aegean Sea from the Turkish coast in the Greek island of Lesbos November 21, 2015. Balkan countries have begun filtering the flow of migrants to Europe, granting passage to those fleeing conflict in the Middle East and Afghanistan but turning back others from Africa and Asia, the United Nations and Reuters witnesses said on Thursday. REUTERS/Yannis Behrakis TPX IMAGES OF THE DAY 

A woman walks on a street at Apgujeong luxury shopping district in Seoul, South Korea, November 12, 2015. South Korea's central bank left interest rates at a record low 1.5 percent for a fifth consecutive month, and countered calls for a cut arguing that strong domestic demand could still lead economic recovery despite weak exports.REUTERS/Kim Hong-Ji 

Visitors look at Panasonic Corp's luxury brand home appliances called J concept at CEATEC (Combined Exhibition of Advanced Technologies) JAPAN 2015 in Makuhari, Japan, October 6, 2015. Over 500 companies and organisations are exhibiting at CEATEC JAPAN 2015, which will be held until October 10. REUTERS/Yuya Shino 

Panasonic Corp's luxury brand home appliance called J concept's rice cooker, which is able to change the pressure inside the cooker in order to heat up the rice, is displayed at CEATEC (Combined Exhibition of Advanced Technologies) JAPAN 2015 in Makuhari, Japan, October 6, 2015. REUTERS/Yuya Shino 

A general view shows luxury boats in Monaco port during the 25th Monaco Yacht show in Monaco September 24, 2015. The Monaco Yacht Show, which runs from September 23 to September 26, 2015, is considered one of the most prestigious pleasure boat show in the world, highlighting hundreds of yachts for the luxury yachting industry REUTERS/Eric Gaillard 

A general view shows the Principality of Monaco during the Monaco Yacht show, one of the most prestigious pleasure boat shows in the world, highlighting hundreds of yachts for the luxury yachting industry and held in the Monte Carlo port September 24, 2015. REUTERS/Eric Gaillard