A protestor drops ashes from his lit cigarette onto the helmets of U.S. Secret Service uniformed division officers while demonstrating against the death in Minneapolis police custody of African-American man George Floyd, as the officers keep demonstrators away from the White House as they protest in Lafayette Park in Washington, U.S. May 30, 2020. REUTERS/Tom Brenner

A drop of tear is seen on the face of media mogul Jimmy Lai Chee-ying, founder of Apple Daily during an interview to response national security legislation in Hong Kong, China May 29, 2020. REUTERS/Tyrone Siu

A pregnant woman, part of a group of about 200 Colombians living temporarily at Guarulhos International Airport due to the coronavirus disease (COVID-19) restrictions, lies as she sleeps at a lobby of the airport, near Sao Paulo, Brazil May 23, 2020. Picture taken May 23, 2020. REUTERS/Amanda Perobelli REFILE - ADDING DROPPED WORD

Angie Mosquera, 22, part of a group of about 200 Colombians living temporarily at Guarulhos International Airport due to the coronavirus disease (COVID-19) restrictions, brushes her teeth in a public toilet at a lobby of the airport, near Sao Paulo, Brazil May 25, 2020. Picture taken May 25, 2020. REUTERS/Amanda Perobelli REFILE - ADDING DROPPED WORD

An oil and gas site is seen, as oil and gas activity dips in the Eagle Ford Shale oil field due to the coronavirus disease (COVID-19) pandemic and the drop in demand for oil globally, in DeWitt County, Texas, U.S., May 18, 2020. Picture taken May 18, 2020. REUTERS/Jennifer Hiller

Oilfield equipment is parked at a Basic Energy Services site, as oil and gas activity dips in the Eagle Ford Shale oil field due to the coronavirus disease (COVID-19) pandemic and the drop in demand for oil globally, in Karnes County, Texas, U.S., May 18, 2020. Picture taken May 18, 2020. REUTERS/Jennifer Hiller

A Marathon Oil well site is seen, as oil and gas activity dips in the Eagle Ford Shale oil field due to the coronavirus disease (COVID-19) pandemic and the drop in demand for oil globally, in Texas, U.S., May 18, 2020. Picture taken May 18, 2020. REUTERS/Jennifer Hiller

Oil pumps are seen, as oil and gas activity dips in the Eagle Ford Shale oil field due to the coronavirus disease (COVID-19) pandemic and the drop in demand for oil globally, in Karnes County, Texas, U.S., May 18, 2020. Picture taken May 18, 2020. REUTERS/Jennifer Hiller

A man drops a can of food from his apartment for collection as part of a program to help low income households as the outbreak of the coronavirus disease (COVID-19) continues in Mexico City, Mexico May 21, 2020. REUTERS/Edgard Garrido

A woman drops a package of food from her apartment for collection as part of a program to help low income households as the outbreak of the coronavirus disease (COVID-19) continues in Mexico City, Mexico May 21, 2020. REUTERS/Edgard Garrido

A woman drops a food item from her apartment for collection as part of a program to help low income households as the outbreak of the coronavirus disease (COVID-19) continues in Mexico City, Mexico May 21, 2020. REUTERS/Edgard Garrido

A woman drops a can of food from her apartment for collection as part of a program to help low income households as the outbreak of the coronavirus disease (COVID-19) continues in Mexico City, Mexico May 21, 2020. REUTERS/Edgard Garrido

A man drops packages of food from the window of his apartment for collection as part of a program to help low income households as the outbreak of the coronavirus disease (COVID-19) continues in Mexico City, Mexico May 21, 2020. REUTERS/Edgard Garrido

A demonstrator holds her hand over her heart and sings the U.S. National Anthem as she stands behind a cardboard box marked "gun drop" and a rifle during a protest against Delaware Governor John Carney’s use of the National Guard in contact tracing during the coronavirus disease (COVID-19) pandemic in Wilmington, Delaware, U.S., May 21, 2020. REUTERS/Kevin Lamarque

Empty passenger drop off lanes are seen as the coronavirus disease (COVID-19) continues, at New York’s JFK International Airport in New York, U.S., May 19, 2020. Picture taken May 19, 2020. REUTERS/Shannon Stapleton

A view shows the empty road at the kiss-and-fly dropped off area for passengers at Nice international airport during the outbreak of the coronavirus disease (COVID-19) in Nice, France, May 20, 2020. REUTERS/Eric Gaillard

Santiago Webajh, scientist of the Pablo Cassara foundation, puts a drop of reagent in a container during a test of the new "NEOKIT-COVID-19?, developed by a group of Argentine scientists that diagnoses the coronavirus disease (COVID-19) in less than two hours, in Buenos Aires, Argentina May 19, 2020. REUTERS/Agustin Marcarian

A worker drops quaternary ammonium compounds into a water container of a truck used in the mining industry, to disinfect streets amid the spread of the coronavirus disease (COVID-19) in Santiago, Chile May 12 2020. REUTERS/Ivan Alvarado

Carmen Gray, center, talks with sister Bridget Parkhill as they drop off flowers and food for their mother Susan Hailey on Mother's Day at the Life Care Center of Kirkland, a long-term care facility linked to several coronavirus disease (COVID-19) deaths in Kirkland, Washington, U.S. May 10, 2020. REUTERS/Lindsey Wasson

Carmen Gray turns to look at new flower planters on display as she delivers food and flowers to her mother Susan Hailey at the Life Care Center of Kirkland, a long-term care facility linked to several coronavirus disease (COVID-19) deaths, on Mother's Day in Kirkland, Washington, U.S. May 10, 2020. REUTERS/Lindsey Wasson

Landen Linn, 3, walks with grandmother Su Wilson after dropping off flowers and cards for Wilson's mother Chun Liu, a resident at Life Care Center of Kirkland, a long-term care facility linked to several coronavirus disease (COVID-19) deaths, on Mother's Day in Kirkland, Washington, U.S. May 10, 2020. REUTERS/Lindsey Wasson

Eva Linn, 5, and her brothers Kayden, 12, and Landen, 3, walk with grandparents Arnie and Su Wilson as they drop off cards and flowers for Su's mother Chun Liu, a resident at Life Care Center of Kirkland, a long-term care facility linked to several coronavirus disease (COVID-19) deaths in Kirkland, Washington, U.S. May 10, 2020. REUTERS/Lindsey Wasson

Arnie and Su Wilson talk with a healthcare worker through a window as they drop off Mother's Day flowers and cards for Su's mother Chun Liu, who had tested positive for coronavirus in March at Life Care Center of Kirkland, a long-term care facility linked to several coronavirus disease (COVID-19) deaths in Kirkland, Washington, U.S. May 10, 2020. REUTERS/Lindsey Wasson

Kayden Linn, 12, holds Mother's Day flowers for his great-grandmother Chun Liu, a resident at Life Care Center of Kirkland who had tested positive for coronavirus in March, as grandparents Arnie and Su Wilson and younger siblings Eva and Landen talk with a healthcare worker through the window at the long-term care facility linked to several coronavirus disease (COVID-19) deaths in Kirkland, Washington, U.S. May 10, 2020. REUTERS/Lindsey Wasson

A worker drops water to the floor at a construction site, amid an outbreak of the coronavirus disease (COVID-19), in Shanghai, China May 8, 2020. REUTERS/Aly Song

Mountains are pictured above the portion of Kathmandu Valley as pollution level drops on the forty-second day of the lockdown imposed by the government amid concerns about the spread of the coronavirus disease (COVID-19) outbreak, in Kathmandu, Nepal May 4, 2020. REUTERS/Navesh Chitrakar

Swayambhunath Stupa, a UNESCO world heritage site, surrounded by a densely built-up area is seen as pollution level drops on the forty-second day of the lockdown imposed by the government amid concerns about the spread of the coronavirus disease (COVID-19) outbreak, in Kathmandu, Nepal May 4, 2020. REUTERS/Navesh Chitrakar TPX IMAGES OF THE DAY

A view of a densely built-up area is seen as pollution level drops on the forty-second day of the lockdown imposed by the government amid concerns about the spread of the coronavirus disease (COVID-19) outbreak, in Kathmandu, Nepal May 4, 2020. REUTERS/Navesh Chitrakar

The snow-covered Pir Panjal mountain range is seen from a residential area after air pollution levels started to drop during a nationwide lockdown to slow the spreading of coronavirus disease (COVID-19), in Jammu May 3, 2020. REUTERS/Mukesh Gupta

Indian Navy's Chetak helicopter drops flower petals on the staff of INHS Asvini hospital as part of an event to show gratitude towards the frontline warriors fighting the coronavirus disease (COVID-19) outbreak, in Mumbai, India, May 3, 2020. REUTERS/Hemanshi Kamani

An Indian Army helicopter drops flower petals on a hospital involved in providing healthcare to the coronavirus disease (COVID-19) patients as part of an activity being carried out by the army to show gratitude towards the frontline warriors fighting the new coronavirus outbreak, in New Delhi, India May 3, 2020. REUTERS/Danish Siddiqui

Indian Air Force (IAF) M1-17 helicopter drops flower petals over a hospital as part of an activity being carried out by the IAF to show gratitude towards the frontline warriors fighting the coronavirus disease (COVID-19) outbreak, in Gandhinagar, India, May 3, 2020. REUTERS/Amit Dave

Indian Air Force (IAF) M1-17 helicopter drops flower petals over a hospital as part of an activity being carried out by the IAF to show gratitude towards the frontline warriors fighting the coronavirus disease (COVID-19) outbreak, in Kolkata, India, May 3, 2020. REUTERS/Rupak De Chowdhuri

An Indian Army helicopter drops flower petals on a hospital involved in providing healthcare to the coronavirus disease (COVID-19) patients as part of an activity being carried out by the army to show gratitude towards the frontline warriors fighting the new coronavirus outbreak, in New Delhi, India May 3, 2020. REUTERS/Anushree Fadnavis

The U.S. Navy hospital ship USNS Comfort drops its mooring lines as it begins the process of departing its berth at Manhattan's West Side Pier 90 to return to its home port of Norfolk, Virginia, after treating patients during the outbreak of the coronavirus disease (COVID-19) in New York City, New York, U.S., April 30, 2020. REUTERS/Lucas Jackson

Alfred Brandt milks his Holstein cows on the dairy farm, which has been in his family since 1840 and has been affected by the industry's supply chain disruptions created by the coronavirus disease (COVID-19), in Linn, Missouri, U.S. April 28, 2020. Brandt, along with other U.S. dairy farmers, has seen a drop in milk prices and has been forced to dump excess milk as a result of the closure of schools, restaurants and coffee shops. REUTERS/Whitney Curtis

Alfred Brandt's dairy farm, which has been in his family since 1840, been affected by the industry's supply chain disruptions created by the coronavirus disease (COVID-19), in Linn, Missouri, U.S. April 28, 2020. Brandt, along with other U.S. dairy farmers, has seen a drop in milk prices and has been forced to dump excess milk as a result of the closure of schools, restaurants and coffee shops. REUTERS/Whitney Curtis

A Holstein calf is seen at Alfred Brandt's dairy farm, which has been in his family since 1840 and has been affected by the industry's supply chain disruptions created by the coronavirus disease (COVID-19), in Linn, Missouri, U.S. April 28, 2020. Brandt, along with other U.S. dairy farmers, has seen a drop in milk prices and has been forced to dump excess milk as a result of the closure of schools, restaurants and coffee shops. REUTERS/Whitney Curtis

Holstein cows are milked at Alfred Brandt's dairy farm, which has been in his family since 1840 and has been affected by the industry's supply chain disruptions created by the coronavirus disease (COVID-19), in Linn, Missouri, U.S. April 28, 2020. Brandt, along with other U.S. dairy farmers, has seen a drop in milk prices and has been forced to dump excess milk as a result of the closure of schools, restaurants and coffee shops. REUTERS/Whitney Curtis

Holstein cows are milked at Alfred Brandt's dairy farm, which has been in his family since 1840 and has been affected by the industry's supply chain disruptions created by the coronavirus disease (COVID-19), in Linn, Missouri, U.S. April 28, 2020. Brandt, along with other U.S. dairy farmers, has seen a drop in milk prices and has been forced to dump excess milk as a result of the closure of schools, restaurants and coffee shops. REUTERS/Whitney Curtis

Alfred Brandt milks his Holstein cows on the dairy farm, which has been in his family since 1840 and has been affected by the industry's supply chain disruptions created by the coronavirus disease (COVID-19), in Linn, Missouri, U.S. April 28, 2020. Brandt, along with other U.S. dairy farmers, has seen a drop in milk prices and has been forced to dump excess milk as a result of the closure of schools, restaurants and coffee shops. REUTERS/Whitney Curtis

Alfred Brandt milks his Holstein cows on the dairy farm, which has been in his family since 1840 and has been affected by the industry's supply chain disruptions created by the coronavirus disease (COVID-19), in Linn, Missouri, U.S. April 28, 2020. Brandt, along with other U.S. dairy farmers, has seen a drop in milk prices and has been forced to dump excess milk as a result of the closure of schools, restaurants and coffee shops. REUTERS/Whitney Curtis

Alfred Brandt milks his Holstein cows on the dairy farm, which has been in his family since 1840 and has been affected by the industry's supply chain disruptions created by the coronavirus disease (COVID-19), in Linn, Missouri, U.S. April 28, 2020. Brandt, along with other U.S. dairy farmers, has seen a drop in milk prices and has been forced to dump excess milk as a result of the closure of schools, restaurants and coffee shops. REUTERS/Whitney Curtis

Holstein cows wait to be milked at Alfred Brandt's dairy farm, which has been in his family since 1840 and has been affected by the industry's supply chain disruptions created by the coronavirus disease (COVID-19), in Linn, Missouri, U.S. April 28, 2020. Brandt, along with other U.S. dairy farmers, has seen a drop in milk prices and has been forced to dump excess milk as a result of the closure of schools, restaurants and coffee shops. REUTERS/Whitney Curtis

Alfred Brandt walks into the milking barn on the dairy farm, which has been in his family since 1840 and has been affected by the industry's supply chain disruptions created by the coronavirus disease (COVID-19), in Linn, Missouri, U.S. April 28, 2020. Brandt, along with other U.S. dairy farmers, has seen a drop in milk prices and has been forced to dump excess milk as a result of the closure of schools, restaurants and coffee shops. REUTERS/Whitney Curtis

Alfred Brandt watches as a Holstein cow enters the milking barn on the dairy farm, which has been in his family since 1840 and has been affected by the industry's supply chain disruptions created by the coronavirus disease (COVID-19), in Linn, Missouri, U.S. April 28, 2020. Brandt, along with other U.S. dairy farmers, has seen a drop in milk prices and has been forced to dump excess milk as a result of the closure of schools, restaurants and coffee shops. REUTERS/Whitney Curtis

Alfred Brandt and his son, Sam Brandt, 8, look at their Holstein calves on the dairy farm that's been in their family since 1840 and been affected by the industry's supply chain disruptions created by the coronavirus disease (COVID-19), in Linn, Missouri, U.S. April 28, 2020. Brandt, along with other U.S. dairy farmers, has seen a drop in milk prices and has been forced to dump excess milk as a result of the closure of schools, restaurants and coffee shops. REUTERS/Whitney Curtis

Holstein cows are seen after being milked at Alfred Brandt's dairy farm, which has been in his family since 1840 and has been affected by the industry's supply chain disruptions created by the coronavirus disease (COVID-19), in Linn, Missouri, U.S. April 28, 2020. Brandt, along with other U.S. dairy farmers, has seen a drop in milk prices and has been forced to dump excess milk as a result of the closure of schools, restaurants and coffee shops. REUTERS/Whitney Curtis

Holstein cows are seen after being milked at Alfred Brandt's dairy farm, which has been in his family since 1840 and has been affected by the industry's supply chain disruptions created by the coronavirus disease (COVID-19), in Linn, Missouri, U.S. April 28, 2020. Brandt, along with other U.S. dairy farmers, has seen a drop in milk prices and has been forced to dump excess milk as a result of the closure of schools, restaurants and coffee shops. REUTERS/Whitney Curtis

A Holstein calf is seen at Alfred Brandt's dairy farm, which has been in his family since 1840 and has been affected by the industry's supply chain disruptions created by the coronavirus disease (COVID-19), in Linn, Missouri, U.S. April 28, 2020. Brandt, along with other U.S. dairy farmers, has seen a drop in milk prices and has been forced to dump excess milk as a result of the closure of schools, restaurants and coffee shops. REUTERS/Whitney Curtis

Alfred Brandt speaks with his son, Sam Brandt, 8, and father, Don Brandt, at their dairy farm that's been in their family since 1840 and been affected by the industry's supply chain disruptions created by the coronavirus disease (COVID-19), in Linn, Missouri, U.S. April 28, 2020. Brandt, along with other U.S. dairy farmers, has seen a drop in milk prices and has been forced to dump excess milk as a result of the closure of schools, restaurants and coffee shops. REUTERS/Whitney Curtis

Lane Haslag, 16, feeds a newborn Holstein calf at Alfred Brandt's dairy farm, which has been affected by the industry's supply chain disruptions created by the coronavirus disease (COVID-19), in Linn, Missouri, U.S. April 28, 2020. Brandt, along with other U.S. dairy farmers, has seen a drop in milk prices and has been forced to dump excess milk as a result of the closure of schools, restaurants and coffee shops. REUTERS/Whitney Curtis TPX IMAGES OF THE DAY

Lane Haslag, 16, feeds a newborn Holstein calf at Alfred Brandt's dairy farm, which has been affected by the industry's supply chain disruptions created by the coronavirus disease (COVID-19), in Linn, Missouri, U.S. April 28, 2020. Brandt, along with other U.S. dairy farmers, has seen a drop in milk prices and has been forced to dump excess milk as a result of the closure of schools, restaurants and coffee shops. REUTERS/Whitney Curtis

Alfred Brandt opens a gate for Holstein heifers on the dairy farm, which has been in his family since 1840 and has been affected by the industry's supply chain disruptions created by the coronavirus disease (COVID-19), in Linn, Missouri, U.S. April 28, 2020. Brandt, along with other U.S. dairy farmers, has seen a drop in milk prices and has been forced to dump excess milk as a result of the closure of schools, restaurants and coffee shops. REUTERS/Whitney Curtis

A "Got Milk?" campaign sticker is displayed at Alfred Brandt's dairy farm, which has been in his family since 1840 and has been affected by the industry's supply chain disruptions created by the coronavirus disease (COVID-19), in Linn, Missouri, U.S. April 28, 2020. Brandt, along with other U.S. dairy farmers, has seen a drop in milk prices and has been forced to dump excess milk as a result of the closure of schools, restaurants and coffee shops. REUTERS/Whitney Curtis

Holstein heifers graze at Alfred Brandt's dairy farm, which has been in his family since 1840 and has been affected by the industry's supply chain disruptions created by the coronavirus disease (COVID-19), in Linn, Missouri, U.S. April 28, 2020. Brandt, along with other U.S. dairy farmers, has seen a drop in milk prices and has been forced to dump excess milk as a result of the closure of schools, restaurants and coffee shops. REUTERS/Whitney Curtis

Holstein calves are seen at Alfred Brandt's dairy farm, which has been in his family since 1840 and has been affected by the industry's supply chain disruptions created by the coronavirus disease (COVID-19), in Linn, Missouri, U.S. April 28, 2020. Brandt, along with other U.S. dairy farmers, has seen a drop in milk prices and has been forced to dump excess milk as a result of the closure of schools, restaurants and coffee shops. REUTERS/Whitney Curtis

A Holstein cow whips its tail at Alfred Brandt's dairy farm, which has been in his family since 1840 and has been affected by the industry's supply chain disruptions created by the coronavirus disease (COVID-19), in Linn, Missouri, U.S. April 28, 2020. Brandt, along with other U.S. dairy farmers, has seen a drop in milk prices and has been forced to dump excess milk as a result of the closure of schools, restaurants and coffee shops. REUTERS/Whitney Curtis

A resident drops off a mail-in ballot at the Edmondson Westside High School Polling site, during the special election for Maryland's 7th congressional district seat, previously held by Rep. Elijah Cummings (D-MD), in Baltimore, Maryland, U.S., April 28, 2020. REUTERS/Tom Brenner

Exotic dancers who work under the names Kiki LeMiau and Olivia drop off an order as dancers from the Lucky Devil Lounge strip club offer a food delivery service in the wake of the coronavirus disease (COVID-19) restrictions in Portland, Oregon, U.S. April 24, 2020. Picture taken April 24, 2020. REUTERS/Terray Sylvester