Residents recently returning to their area cleared by government troops react as they ride a tricycle a day after President Rodrigo Duterte declared the liberation of Marawi city in southern Philippines Wednesday, October 18, 2017. Sporadic explosions continue Wednesday as Philippine soldiers fought to gain control of the last pocket of Marawi controlled by Islamic militants. (Photo by Bullit Marquez/AP Photo)

People cross Flagstaff Hill as the snow starts to fall, in Schenley Park, on their way to the Carnegie Mellon University campus, Tuesday, March 20, 2018, in the Oakland section of Pittsburgh. Yet another powerful storm bore down on the Northeast on Tuesday, with wind-whipped snow falling in parts of Pennsylvania and New Jersey as people grumbled and complained about a first day of spring that looked an awful lot like the last weeks of winter. (Photo by Darrell Sapp/Pittsburgh Post-Gazette via AP Photo)

Yan Anyu or Miss Cream rides in a taxi in Shanghai on June 13, 2020, as she makes her way to a bar in the city of Shanghai to make her first presentation as a drag queen. Attitudes toward alternative lifestyles are slowly softening in China, and members of a small but growing drag community have begun to step into the spotlight. (Photo by Hector Retamal/AFP Photo)

Parade goers draped in American flags walk down the street before a Fourth of July parade begins Saturday, July 4, 2020, in Bristol, R.I. The town, which lays claim to the nation's oldest Independence Day celebration in the country, held a vehicle-only scaled down version of its annual parade Saturday due to the coronavirus pandemic. (Photo by David Goldman/AP Photo)

Tengger tribe people make their way to the summit of Mount Bromo volcano to make offerings in Probolinggo, East Java province on July 7, 2020, as part of the Yadnya Kasada Festival. During the annual Yadnya Kasada festival, the Tenggerese climb Mount Bromo, an active volcano, and seek the blessing from the main deity by presenting offerings of rice, fruit, livestock and other items. (Photo by Juni Kriswanto/AFP Photo)

A girl walks along rice paddy fields during “National Paddy Day”, which marks the start of the annual rice planting season, in Tokha village on the outskirts of Kathmandu on June 29, 2020. Splashing mud and drinking local rice beer, Nepali farmers this week celebrated National Paddy Day to mark the beginning of the rice-planting season, despite some coronavirus lockdown measures still in place. Traditional farming songs and laughter echoed in the air as farmers waded into waterlogged fields to sow green paddy. (Photo by Prakash Mathema/AFP Photo)

This NASA photo shows a United Launch Alliance Atlas V rocket with NASA’s Mars 2020 Perseverance rover onboard as it launches from Space Launch Complex 41 at Cape Canaveral Air Force Station, on July 30, 2020, from NASA’s Kennedy Space Center in Florida. The Perseverance rover is part of NASA’s Mars Exploration Program, a long-term effort of robotic exploration of the Red Planet. (Photo by Joel Kowsky/NASA)

Labourers push wooden boards before carrying them to construct a temporary pontoon bridge over the Ganges river for the upcoming Hindu festival of Magh Mela in Allahabad on November 24, 2019. The Magh Mela is held every year on the banks of Triveni Sangam – the confluence of the three great rivers Ganga, Yamuna and the mystical Saraswati – in Allahabad during the Hindu month of Magh which corresponds to mid January – mid February. (Photo by Sanjay Kanojia/AFP Photo)