Navajo Nation Council Member Eugenia Charles Newton helps U.S. first lady Jill Biden cover up with a blanket during a welcome ceremony at the Window Rock Navajo Tribal Park & Veterans Memorial in Window Rock, Arizona, U.S., April 22, 2021. Mandel Ngan/Pool via REUTERS

An Indonesian Navy ship is seen at the Navy Base port, as the search continues for the missing KRI Nanggala-402 submarine, in Banyuwangi, East Java Province Indonesia, April 23, 2021. REUTERS/Ajeng Dinar Ulfiana

Asylum-seeking migrant families sit in an inflatable raft after crossing the Rio Grande river into the United States from Mexico in Roma, Texas, U.S., April 22, 2021. REUTERS/Jim Urquhart

A girl and a woman sell drinks and flowers on the street after some night places reopened briefly in Patong beach, Phuket Island, Thailand April 2, 2021. Picture taken April 2, 2021. REUTERS/Jorge Silva

Local residents enjoy Kamala beach on Phuket Island, Thailand in April 2, 2021. Picture taken April 2, 2021. REUTERS/Jorge Silva

A deaf-mute coconut seller named Uga poses for a portrait in Patong beach, Phuket Island, Thailand April 2, 2021. Picture taken April 2, 2021. REUTERS/Jorge Silva

An elephant walks at a reserve park in Phuket Island, Thailand April 2, 2021. Picture taken April 2, 2021. REUTERS/Jorge Silva

A Thai spa is seen inside a closed hotel in Phuket, Thailand March 31, 2021. Picture taken March 31, 2021. REUTERS/Jorge Silva

An empty street is seen at Patong beach in Phuket Island, Thailand April 2, 2021. Picture taken April 2, 2021. REUTERS/Jorge Silva

An empty hotel and beach which have opened for visitors is seen in Karon, Phuket Island, Thailand March 31, 2021. Picture taken March 31, 2021. REUTERS/Jorge Silva

Members of the Texas Army National Guard monitor the Rio Grande River near where migrant families cross, in Roma, Texas, U.S., April 22, 2021. REUTERS/Jim Urquhart

The empty Tiger Bar is seen at Patong beach in Phuket Island, Thailand April 1, 2021. Picture taken April 1, 2021. REUTERS/Jorge Silva

A dancer waits for customers at an empty bar after some night places reopened briefly in Patong beach, Phuket Island, Thailand April 1, 2021. Picture taken April 1, 2021. REUTERS/Jorge Silva

Empty sunbeds are seen around the swimming pool of a hotel, which has opened for visitors in Karon, Phuket Island, Thailand in April 2, 2021. Picture taken April 2, 2021 with a drone. REUTERS/Jorge Silva

An empty street market is seen near the beach in Phuket, Thailand March 31, 2021. Picture taken March 31, 2021. REUTERS/Jorge Silva

A Thai spa is seen inside a closed hotel in Phuket, Thailand March 31, 2021. Picture taken March 31, 2021. REUTERS/Jorge Silva

Asylum-seeking migrant families disembark from an inflatable raft after crossing the Rio Grande river into the United States from Mexico in Roma, Texas, U.S., April 22, 2021. REUTERS/Jim Urquhart

The entrance of a closed hotel is seen at Kata beach in Karon, Phuket Island, Thailand March 31, 2021. Picture taken March 31, 2021. REUTERS/Jorge Silva

Asylum-seeking migrant families disembark from an inflatable raft after crossing the Rio Grande river into the United States from Mexico in Roma, Texas, U.S., April 22, 2021. REUTERS/Jim Urquhart

The entrance of a closed hotel is seen near the beach in Phuket, Thailand March 31, 2021. Picture taken March 31, 2021. REUTERS/Jorge Silva

An abandoned massage shop is seen at Karon beach in Phuket Island, Thailand April 1, 2021. Picture taken April 1, 2021. REUTERS/Jorge Silva

A closed ice cream shop is seen in Karon beach, Phuket Island, Thailand March 31, 2021. Picture taken March 31, 2021. REUTERS/Jorge Silva

Mannequins stand in the window of a closed clothing shop near the beach in Phuket, Thailand March 31, 2021. Picture taken March 31, 2021. REUTERS/Jorge Silva

A man walks at the empty Karon beach on Phuket Island, Thailand in April 1, 2021. Picture taken April 1, 2021 with a drone. REUTERS/Jorge Silva

Asylum-seeking migrant families disembark from an inflatable raft after crossing the Rio Grande river into the United States from Mexico in Roma, Texas, U.S., April 22, 2021. REUTERS/Jim Urquhart

Asylum-seeking migrant families disembark from an inflatable raft after crossing the Rio Grande river into the United States from Mexico in Roma, Texas, U.S., April 22, 2021. REUTERS/Jim Urquhart

Soccer Football - Copa Sudamericana - Group E - River Plate Asuncion v Corinthians - Estadio Defensores del Chaco, Asuncion, Paraguay - April 22, 2021 Corinthians' Victor Cantillo in action with River Plate Asuncion's Marcelo Gonzalez Pool via REUTERS/Norberto Duarte

A view of the city and Diego Rivera's fountain of the Aztec rain god Tlaloc, part of an old municipal water system station, in Mexico City, Mexico April 22, 2021. Picture taken with a drone. REUTERS/Carlos Jasso

Soccer Football - Copa Sudamericana - Group E - River Plate Asuncion v Corinthians - Estadio Defensores del Chaco, Asuncion, Paraguay - April 22, 2021 Corinthians' Caue in action with River Plate Asuncion's Osmar Molinas Pool via REUTERS/Norberto Duarte

A view of Diego Rivera's fountain of the Aztec rain god Tlaloc, which is part of an old municipal water system station, in Mexico City, Mexico April 22, 2021. Picture taken with a drone. REUTERS/Carlos Jasso

A view of Diego Rivera's fountain of the Aztec rain god Tlaloc, part of an old municipal water system station, in Mexico City, Mexico April 22, 2021. Picture taken with a drone. REUTERS/Carlos Jasso

A general view shows buildings and people at the park during high levels of pollution in Mexico City, Mexico, as the spread of the coronavirus disease (COVID-19) continues, April 22, 2021. REUTERS/Carlos Jasso

Soccer Football - Copa Sudamericana - Group E - River Plate Asuncion v Corinthians - Estadio Defensores del Chaco, Asuncion, Paraguay - April 22, 2021 Corinthians' Guilherme Camacho in action with River Plate Asuncion's Dionicio Perez Pool via REUTERS/Norberto Duarte

U.S. first lady Jill Biden speaks during a live radio address to the Navajo Nation at the Window Rock Navajo Tribal Park & Veterans Memorial in Window Rock, Arizona, U.S., April 22, 2021. Mandel Ngan/Pool via REUTERS

A general view shows buildings and children playing at the park during high levels of pollution in Mexico City, Mexico, as the spread of the coronavirus disease (COVID-19) continues, April 22, 2021. REUTERS/Carlos Jasso

A general view shows buildings and houses during high levels of pollution in Mexico City, Mexico, as the spread of the coronavirus disease (COVID-19) continues, April 22, 2021. REUTERS/Carlos Jasso

A general view shows buildings and the fountain of God Tlaloc by Diego Rivera during high levels of pollution in Mexico City, Mexico, as the spread of the coronavirus disease (COVID-19) continues, April 22, 2021. Picture taken with a drone. REUTERS/Carlos Jasso REFILE - ADDITIONAL CAPTION INFORMATION

A general view shows buildings and Chapultepec park during high levels of pollution in Mexico City, Mexico, as the spread of the coronavirus disease (COVID-19) continues, April 22, 2021. Picture taken with a drone. REUTERS/Carlos Jasso REFILE - ADDITIONAL CAPTION INFORMATION

A general view shows buildings and houses during high levels of pollution in Mexico City, Mexico, as the spread of the coronavirus disease (COVID-19) continues, April 22, 2021. REUTERS/Carlos Jasso

A general view shows buildings and people walking in the park during high levels of pollution in Mexico City, Mexico, as the spread of the coronavirus disease (COVID-19) continues, April 22, 2021. REUTERS/Carlos Jasso

A general view shows buildings and Chapultepec park during high levels of pollution in Mexico City, Mexico, as the spread of the coronavirus disease (COVID-19) continues, April 22, 2021. Picture taken with a drone. REUTERS/Carlos Jasso REFILE - ADDITIONAL CAPTION INFORMATION

A general view shows buildings and houses during high levels of pollution in Mexico City, Mexico, as the spread of the coronavirus disease (COVID-19) continues, April 22, 2021. REUTERS/Carlos Jasso

U.S. first lady Jill Biden speaks during a live radio address to the Navajo Nation at the Window Rock Navajo Tribal Park & Veterans Memorial in Window Rock, Arizona, U.S., April 22, 2021. Mandel Ngan/Pool via REUTERS

Soccer Football - Copa Sudamericana - Group E - River Plate Asuncion v Corinthians - Estadio Defensores del Chaco, Asuncion, Paraguay - April 22, 2021 River Plate Asuncion's Dionicio Perez in action with Corinthians' Gil Pool via REUTERS/Norberto Duarte

U.S. first lady Jill Biden speaks during a live radio address to the Navajo Nation at the Window Rock Navajo Tribal Park & Veterans Memorial in Window Rock, Arizona, U.S., April 22, 2021. Mandel Ngan/Pool via REUTERS

U.S. first lady Jill Biden speaks during a live radio address to the Navajo Nation at the Window Rock Navajo Tribal Park & Veterans Memorial in Window Rock, Arizona, U.S., April 22, 2021. Mandel Ngan/Pool via REUTERS

U.S. first lady Jill Biden speaks during a live radio address at the Window Rock Navajo Tribal Park & Veterans Memorial in Window Rock, Arizona, U.S., April 22, 2021. Mandel Ngan/Pool via REUTERS

U.S. first lady Jill Biden speaks during a live radio address at the Window Rock Navajo Tribal Park & Veterans Memorial in Window Rock, Arizona, U.S., April 22, 2021. Mandel Ngan/Pool via REUTERS

U.S. first lady Jill Biden speaks during a live radio address at the Window Rock Navajo Tribal Park & Veterans Memorial in Window Rock, Arizona, U.S., April 22, 2021. Mandel Ngan/Pool via REUTERS

U.S. first lady Jill Biden speaks during a live radio address at the Window Rock Navajo Tribal Park & Veterans Memorial in Window Rock, Arizona, U.S., April 22, 2021. Mandel Ngan/Pool via REUTERS

The Empire State Building is illuminated behind the Con Edison Power Plant in Manhattan, New York City, New York, U.S., April 22, 2021. REUTERS/Andrew Kelly

People take part in a protest in Times Square in Manhattan, New York City, New York, U.S., April 22, 2021. REUTERS/Andrew Kelly

A person walks in front of the Con Edison Power Plant in Manhattan, New York City, New York, U.S., April 22, 2021. REUTERS/Andrew Kelly

A person holds up a sign while protesting in Manhattan, New York City, New York, U.S., April 22, 2021. REUTERS/Andrew Kelly

The Empire State Building is seen through heat haze coming from the Con Edison Power Plant in Manhattan, New York City, New York, U.S., April 22, 2021. REUTERS/Andrew Kelly

People line up outside of a store on Earth Day in Manhattan, New York City, New York, U.S., April 22, 2021. REUTERS/Andrew Kelly

People take part in a protest in Times Square in Manhattan, New York City, New York, U.S., April 22, 2021. REUTERS/Andrew Kelly

Traffic travels on First Avenue in Manhattan, New York City, New York, U.S., April 22, 2021. REUTERS/Andrew Kelly

A steam vapor is seen coming from a steam pipe on 42nd Street in Manhattan, New York City, New York, U.S., April 22, 2021. REUTERS/Andrew Kelly

Window washers work on a building featuring rows of window air conditioners in Manhattan, New York City, New York, U.S., April 22, 2021. REUTERS/Andrew Kelly