Vehicles clog a highway during a hazy day in Beijing, China, Wednesday, February 26, 2014. Beijing remained cloaked in hazardous white pollution hiding much of its skyline Wednesday, despite the announced closures or production cuts at 147 of the city's industrial plants. (Photo by Ng Han Guan/AP Photo)

Passengers climb to board an overcrowded train at a railway station in Dhaka August 8, 2013. Millions of residents in Dhaka are travelling home from the capital city to celebrate the Muslim Eid al-Fitr holiday, which marks the end of the Muslim holy fasting month of Ramadan. (Photo by Andrew Biraj/Reuters)

Ngorongoro Crater (Tanzania). At 610m deep and 260 sq km, this is the largest unflooded caldera in the world. A blue-green vision from above it's a haven for engangered wildlife and Maasai livestock. The crater was formed three million years ago when a giant volcano, which could have been as high as Kilimanjaro, exploded and collapsed. The caldera formed the concentric fractures in the crust cracked down to a magma reservoir deep underground. (Photo by John Bryant/Getty Images)

Storm clouds blanket the sky over Great American Ball Park as Starlin Castro #13 of the Chicago Cubs fields a ground ball in the fifth inning against the Cincinnati Reds as on July 7, 2014 in Cincinnati, Ohio. (Photo by Jamie Sabau/Getty Images)

The Disney Fantasy cruise ship is docked for its christening on March 1, 2012 in New York City. (Photo by Jamie McCarthy/Getty Images)

A masked woman poses for a picture during a march demanding justice for the victims of gender violence and femicides in Mexico City, Mexico on August 16, 2020. (Photo by Raquel Cunha/Reuters)

This photograph, taken on September 28, 2019, shows an Erythrina Abyssinica planted in a pasture on Ferme Espoir, owned by former President Joseph Kabila, in Masisi territory, northeast of the Democratic Republic of Congo. (Photo by Alexis Huguet/AFP Photo)

Reflected in the rearview mirror, Jose Collantes gets a hug from daughter Kehity while they're stopped at a red light, as Jose drives his five-year-old home from a playdate in Santiago, Chile, Sunday, September 6, 2020, three months after they lost his wife, her mother, to COVID-19. Their case highlights how COVID-19 deaths the world over are often the beginning of a new personal journey for those affected. (Photo by Esteban Felix/AP Photo)