Heavy vehicular traffic is seen in the Ocean Beach neighbourhood of San Diego, California, U.S., ahead of the Fourth of July holiday July 3, 2020. REUTERS/Bing Guan

Heavy traffic is seen in the Ocean Beach neighbourhood of San Diego, California, U.S., ahead of the Fourth of July holiday July 3, 2020. REUTERS/Bing Guan

A general view shows traffic past the Aware market area in Addis Ababa, Ethiopia July 1, 2020. REUTERS/Maheder Haileselassie

Demonstrators block traffic near an area being called the "City Hall Autonomous Zone" that has been established to protest the New York Police Department and in support of "Black Lives Matter" near City Hall in lower Manhattan, in New York City, U.S., June 30, 2020. REUTERS/Andrew Kelly TPX IMAGES OF THE DAY

A demonstrator climbs a traffic lamp near an area being called the "City Hall Autonomous Zone" that has been established to protest the New York Police Department and in support of "Black Lives Matter" near City Hall in lower Manhattan, in New York City, U.S., June 30, 2020. REUTERS/Andrew Kelly

A traffic light is seen surrounded by skyscrapers in the City of London financial district, following the coronavirus disease (COVID-19) outbreak, in London, Britain June 30, 2020. REUTERS/Toby Melville

A traffic light is seen surrounded by skyscrapers in the City of London financial district, following the coronavirus disease (COVID-19) outbreak, in London, Britain June 30, 2020. REUTERS/Toby Melville

Traffic is seen on one lane of the street as the other lane is restricted for cyclists, as part of measures taken by the city's government during the start of gradual reopening of commercial activities, as the coronavirus disease (COVID-19) outbreak continues, in Mexico City, Mexico June 29, 2020. REUTERS/Henry Romero

Traffic is seen on one lane of the street as the other lane is restricted for cyclists, as part of measures taken by the city's government during the start of gradual reopening of commercial activities, as the coronavirus disease (COVID-19) outbreak continues, in Mexico City, Mexico June 29, 2020. REUTERS/Henry Romero

A Transjakarta bus drives during the traffic near Selamat Datang monument known as Bundaran HI roundabout after the government eased restriction measures following the coronavirus disease (COVID-19) outbreak in Jakarta, Indonesia, June 29, 2020. REUTERS/Willy Kurniawan

A worker sanitises a traffic light in Regent Street, amid the spread of the coronavirus disease (COVID-19) in London, Britain, June 28, 2020. REUTERS/Toby Melville

Ellie W., who did not want to give a last name, blocks traffic with her motorcycle as people march to shut down Interstate 225 in protest of the death of Elijah McClain and police injustice in Aurora, Colorado, U.S., June 27, 2020. REUTERS/Kevin Mohatt

Protestors react as law enforcement officers whose vehicles became stuck behind traffic blocked by protesters fire projectiles at the crowd inside a tunnel of the I-676 Vine Expressway during a rally against the death in Minneapolis police custody of George Floyd, in Philadelphia, Pennsylvania, U.S., June 1, 2020. Picture taken June 1, 2020. REUTERS/Bastiaan Slabbers

Protestors react as law enforcement officers whose vehicles became stuck behind traffic blocked by protesters fire projectiles at the crowd inside a tunnel of the I-676 Vine Expressway during a rally against the death in Minneapolis police custody of George Floyd, in Philadelphia, Pennsylvania, U.S., June 1, 2020. Picture taken June 1, 2020. REUTERS/Bastiaan Slabbers

Protestors react as law enforcement officers whose vehicles became stuck behind traffic blocked by protesters fire projectiles at the crowd inside a tunnel of the I-676 Vine Expressway during a rally against the death in Minneapolis police custody of George Floyd, in Philadelphia, Pennsylvania, U.S., June 1, 2020. Picture taken June 1, 2020. REUTERS/Bastiaan Slabbers

Protestors react as law enforcement officers whose vehicles became stuck behind traffic blocked by protesters fire projectiles at the crowd inside a tunnel of the I-676 Vine Expressway during a rally against the death in Minneapolis police custody of George Floyd, in Philadelphia, Pennsylvania, U.S., June 1, 2020. Picture taken June 1, 2020. REUTERS/Bastiaan Slabbers

Protestors react as law enforcement officers whose vehicles became stuck behind traffic blocked by protesters fire projectiles at the crowd inside a tunnel of the I-676 Vine Expressway during a rally against the death in Minneapolis police custody of George Floyd, in Philadelphia, Pennsylvania, U.S., June 1, 2020. Picture taken June 1, 2020. REUTERS/Bastiaan Slabbers

Protestors block traffic and march eastbound on the I-676, Vine Street Expressway during a rally against the death in Minneapolis police custody of George Floyd, in Philadelphia, Pennsylvania, U.S., June 1, 2020. Picture taken June 1, 2020. REUTERS/Bastiaan Slabbers

Protestors block traffic and march eastbound on the I-676, Vine Street Expressway during a rally against the death in Minneapolis police custody of George Floyd, in Philadelphia, Pennsylvania, U.S. June 1, 2020. Picture taken June 1, 2020. REUTERS/Bastiaan Slabbers

Protestors block traffic and march eastbound on the I-676, Vine Street Expressway during a rally against the death in Minneapolis police custody of George Floyd, in Philadelphia, Pennsylvania, U.S. June 1, 2020. Picture taken June 1, 2020. REUTERS/Bastiaan Slabbers

A passenger holds out a fist in support while stopped in traffic as people march in support of the Black LGBTQIA+ community in downtown Seattle and against racial inequality in the aftermath of the death in Minneapolis police custody of George Floyd, in Seattle, Washington, U.S. June 25, 2020. REUTERS/Lindsey Wasson

A New York Police Department traffic officer gestures under a large Black Lives Matter banner in New York City, New York, U.S., June 24, 2020. REUTERS/Lucas Jackson

A policeman controls the traffic as passengers travel in a bus called "Car Rapide", amid the outbreak of the coronavirus disease (COVID-19) in Dakar, Senegal, June 24, 2020. REUTERS/Zohra Bensemra

A policeman controls the traffic as passengers travel in a bus called "Car Rapide", amid the outbreak of the coronavirus disease (COVID-19), in Dakar, Senegal June 24, 2020. REUTERS/Zohra Bensemra

A traffic cone sits on a sidewalk outside of the NASA headquarters, as administrator Jim Bridenstine announced today the agency's headquarters building will be named after Mary W. Jackson, the first African American female engineer at NASA, in Washington, U.S., June 24, 2020. REUTERS/Tom Brenner

An employee monitors the traffic at the Airport Operations Centre (APOC) before the re-opening of Orly Airport following the coronavirus disease (COVID-19) outbreak in France, June 24, 2020. REUTERS/Charles Platiau

A red light traffic is pictured in front of the Democracy monument in Bangkok, Thailand, June 23, 2020. Picture taken June 23, 2020. REUTERS/Athit Perawongmetha

A red light traffic is pictured in front of the Democracy monument in Bangkok, Thailand, June 23, 2020. Picture taken June 23, 2020. REUTERS/Athit Perawongmetha

Protesters beat drums as they march in a traffic tunnel leading to a highway during racial inequality protests in Washington, U.S., June 23, 2020. REUTERS/Leah Millis

Protesters occupy a road leading into a traffic tunnel during racial inequality protests in Washington, U.S., June 23, 2020. REUTERS/Leah Millis

A protester holds up a "Refund the community" placard as he joins others marching into a traffic tunnel leading to a highway during racial inequality protests in Washington, U.S., June 23, 2020. REUTERS/Leah Millis

Protesters march into a traffic tunnel on their way to a highway during racial inequality protests in Washington, U.S., June 23, 2020. REUTERS/Leah Millis

A cleaner sprays disinfectant on a traffic light, as the spread of the coronavirus disease (COVID-19) continues, in London, Britain June 23, 2020. REUTERS/Toby Melville

William Bourdon and Arie Alimi, lawyers of the family of Cedric Chouviat, a French delivery driver who died in January after being stopped by police, talk to journalists during a news conference in Paris, France, June 23, 2020. REUTERS/Antony Paone

Doria Chouviat, wife of Cedric Chouviat, a French delivery driver who died in January after being stopped by police, attends a news conference with her family, to demand answers about the death of her husband, in Paris, France, June 23, 2020. REUTERS/Antony Paone

Doria Chouviat, wife of Cedric Chouviat, a French delivery driver who died in January after being stopped by police, attends a news conference with her family, to demand answers about the death of her husband, in Paris, France, June 23, 2020. REUTERS/Antony Paone

Traffic cones and caution tape mark a memorial area for recent shooting victims in the area, as people continue to occupy space while protesting against racial inequality in the aftermath of the death in Minneapolis police custody of George Floyd at the CHOP area in Seattle, Washington, U.S. June 22, 2020.? REUTERS/Lindsey Wasson

A protestor holds up a Black Lives Matter sign in front of the White House as protestors face off with police along Lafayette Park after Washington Metropolitan Police officers pushed back racial inequality demonstrators around Washington's Black Lives Matter Plaza to re-open surrounding streets for the resumption of vehicle traffic in Washington, D.C., U.S., June 22, 2020. REUTERS/Joshua Roberts TPX IMAGES OF THE DAY

Protestors face off with police at the intersection of 16th and H Street on Black Lives Matter Plaza along Lafayette Park across from the White House after Washington Metropolitan Police officers pushed back racial inequality protestors to re-open the street and clear part of Black Lives Matter Plaza for the resumption of vehicle traffic in Washington, D.C., U.S., June 22, 2020. REUTERS/Joshua Roberts

Protestors hold up a Black Lives Matter banner as they gather in Lafayette Park in front of the White House after Washington Metropolitan Police officers pushed back racial inequality demonstrators around Washington's Black Lives Matter Plaza in an attempt to re-open surrounding streets for the resumption of vehicle traffic in Washington, D.C., U.S., June 22, 2020. REUTERS/Joshua Roberts

A protestor holds up a Black Lives Matter sign in front of the White House as U.S. Secret Service officers watch from the roof while protestors face off with police along Lafayette Park after Washington Metropolitan Police officers pushed back racial inequality demonstrators around Washington's Black Lives Matter Plaza in an attempt to re-open surrounding streets for the resumption of vehicle traffic in Washington, D.C., U.S., June 22, 2020. REUTERS/Joshua Roberts

A protestor holds up a Black Lives Matter sign in front of the White House as U.S. Secret Service officers watch from the roof while protestors face off with police along Lafayette Park after Washington Metropolitan Police officers pushed back racial inequality demonstrators around Washington's Black Lives Matter Plaza n an attempt to re-open surrounding streets for the resumption of vehicle traffic in Washington, D.C., U.S., June 22, 2020. REUTERS/Joshua Roberts

A protestor holds up a Black Lives Matter sign in front of the White House as protestors face off with police along Lafayette Park after Washington Metropolitan Police officers pushed back racial inequality demonstrators around Washington's Black Lives Matter Plaza to re-open surrounding streets for the resumption of vehicle traffic in Washington, D.C., U.S., June 22, 2020. REUTERS/Joshua Roberts

Protestors push a barricade up the middle of 16th Street towards the White House to try to re-block H Street as protestors face off with police along Lafayette Park across from the White House after Washington Metropolitan Police officers pushed back racial inequality demonstrators on Washington's Black Lives Matter Plaza to re-open surrounding streets for the resumption of vehicle traffic in Washington, D.C., U.S., June 22, 2020. REUTERS/Joshua Roberts

A protestor thrusts her fist in the middle of Washington's Black Lives Matter Plaza as protestors face off with police along Lafayette Park across from the White House after Washington Metropolitan Police officers pushed back racial inequality demonstrators to re-open nearby streets for the resumption of vehicle traffic in Washington, D.C., U.S., June 22, 2020. REUTERS/Joshua Roberts

Protestors work together to push street barricades into the middle of H Street along Lafayette Park across from the White House as they move to re-block the street along Black Lives Matter Plaza after Washington Metropolitan Police officers pushed back racial inequality demonstrators to re-open the street and clear it for the resumption of vehicle traffic in Washington, D.C., U.S., June 22, 2020. REUTERS/Joshua Roberts

Protestors work together to push street barricades into the middle of H Street along Lafayette Park across from the White House as they move to re-block the street along Black Lives Matter Plaza after Washington Metropolitan Police officers pushed back racial inequality demonstrators to re-open the street and clear it for the resumption of vehicle traffic in Washington, D.C., U.S., June 22, 2020. REUTERS/Joshua Roberts

Protestors work together to push street barricades into the middle of H Street along Lafayette Park across from the White House as they move to re-block the street along Black Lives Matter Plaza after Washington Metropolitan Police officers pushed back racial inequality demonstrators to re-open the street and clear it for the resumption of vehicle traffic in Washington, D.C., U.S., June 22, 2020. REUTERS/Joshua Roberts

Protestors push street barricades up the middle of H Street along Lafayette Park across from the White House as they move to re-block the street along Black Lives Matter Plaza after Washington Metropolitan Police officers pushed back racial inequality demonstrators to re-open the street and clear it for the resumption of vehicle traffic in Washington, D.C., U.S., June 22, 2020. REUTERS/Joshua Roberts

A protestor carries a barricade along Lafayette Park across from the White House (rear) as demonstrators move to re-block H Street, Northwest along Black Lives Matter Plaza after Washington Metropolitan Police officers pushed back racial inequality protestors to re-open the street and clear it for the resumption of vehicle traffic in Washington, D.C., U.S., June 22, 2020. REUTERS/Joshua Roberts

A Washington, D.C. Metropolitan Police officer stands in a line of police re-opening H Street at the end of Black Lives Matter Plaza in front of Lafayette Park and the White House after they pushed back racial inequality protestors to re-open the street for the resumption of vehicle traffic in Washington, D.C., U.S., June 22, 2020. REUTERS/Joshua Roberts

Protestors move fencing from a construction site into the middle of I Street, Northwest near Black Lives Matter Plaza after Washington Metropolitan Police officers had pushed back racial inequality protestors from the area to re-open streets for the resumption of vehicle traffic near the White House in Washington, D.C., U.S., June 22, 2020. REUTERS/Tom Brenner

Protestors put up a sign reading "Black House Autonomous Zone" on fencing moved by demonstrators from a construction site into the middle of I Street near Black Lives Matter Plaza after Washington Metropolitan Police officers had pushed back racial inequality protestors from the area to re-open streets for the resumption of vehicle traffic near the White House in Washington, D.C., U.S., June 22, 2020. REUTERS/Tom Brenner TPX IMAGES OF THE DAY

Protestors carry a barricade along Lafayette Park across from the White House (rear) as they move to re-block H Street, Northwest along Black Lives Matter Plaza after Washington Metropolitan Police officers pushed back racial inequality protestors to re-open the street and clear it for the resumption of vehicle traffic in Washington, D.C., U.S., June 22, 2020. REUTERS/Joshua Roberts

Protestors put up a sign reading "Black House Autonomous Zone" on fencing moved by demonstrators into the middle of I Street near Black Lives Matter Plaza after Washington Metropolitan Police officers had pushed back racial inequality protestors fom the area to re-open streets for the resumption of vehicle traffic near the White House in Washington, D.C., U.S., June 22, 2020. REUTERS/Tom Brenner

Protestors move construction materials and fencing to re-block H Street, Northwest along Lafayette Park across from the White House after Washington Metropolitan Police officers pushed back racial inequality protestors to re-open the street and clear it for the resumption of vehicle traffic in Washington, D.C., U.S., June 22, 2020. REUTERS/Tom Brenner

Protestors push a barricade up the middle of Washington's Black Lives Matter Plaza to re-block H Street, Northwest along Lafayette Park across from the White House after Washington Metropolitan Police officers pushed back racial inequality protestors to re-open the street and clear it for the resumption of vehicle traffic in Washington, D.C., U.S., June 22, 2020. REUTERS/Joshua Roberts

A protestor dances in the street as demonstrators face off with police at the intersection of 16th and H Street on Black Lives Matter Plaza along Lafayette Park across from the White House after Washington Metropolitan Police officers pushed back racial inequality protestors to re-open the street for the resumption of vehicle traffic in Washington, D.C., U.S., June 22, 2020. REUTERS/Joshua Roberts

Protestors face off with police at the intersection of 16th and H Street on Black Lives Matter Plaza along Lafayette Park across from the White House after Washington Metropolitan Police officers pushed back racial inequality protestors to re-open the street and clear part of Black Lives Matter Plaza for the resumption of vehicle traffic in Washington, D.C., U.S., June 22, 2020. REUTERS/Joshua Roberts

Protestors push a barricade up the middle of Washington's 16th Street, Northwest to re-block H Street along Lafayette Park across from the White House after Washington Metropolitan Police officers pushed back racial inequality protestors to re-open the street and clear part of Black Lives Matter Plaza for the resumption of vehicle traffic in Washington, D.C., U.S., June 22, 2020. REUTERS/Tom Brenner