Caretaker Khalifa Sajad feeds crocodiles at the Sufi shrine of Hasan-al-Maroof Sultan Manghopir, better known as the Crocodile Shrine, on the outskirts of Karachi, Pakistan October 11, 2015. Pakistani Sheedi pilgrims are once again flocking to the shrine in Karachi that has been shunned for years amid fears of Taliban attacks. (Photo by Akhtar Soomro/Reuters)

A resident types a text message on her mobile phone, as she sits on a bench made from a tree, which is a creation by Brazilian artist Hugo Franca at Largo da Batata square in Sao Paulo March 17, 2015. Franca, a designer from Sao Paulo is working with the city to make use of fallen trees to turn them into sculpture furniture to line the city's parks, streets and plazas. Brazil's largest city was slammed by several strong storms this rainy season that brought with them heavy rain, lightning and winds as high as 90 kilometres (55 miles) per hour. (Photo by Nacho Doce/Reuters)

A meteor streaks over the sky during the Perseid meteor shower at the Maculje archaeological site near Novi Travnik August 12, 2014. According to NASA, the annual Perseid meteor shower reaches its peak on August 12 and 13 in Europe. The fireballs from the meteorites are fast and plentiful, although a nearly full moon (Supermoon) makes it difficult to view them this year, the agency adds. (Photo by Dado Ruvic/Reuters)

A tractor trailer drives through flash flood waters that overran Skunk Creek, Tuesday, August 19, 2014, in northwestern Phoenix. Flooding from heavy rain in the Phoenix area has forced authorities to close several major roads, including a portion of Interstate 17 about 25 miles north of the city. (Photo by Matt York/AP Photo)

People look at the paintings depicting Russian president Vladimir Putin dressed as Father Frost, Russian equivalent of Santa Claus, at the “SUPERPUTIN” exhibition at UMAM museum in Moscow, Russia on December 6, 2017. (Photo by Maxim Shemetov/Reuters)

Replicas of Joseph Stalin uniforms are offered to tourists who can rent them and wear them for a picture outside Stalin's bunker in Samara, Russia, on Tuesday, June 26, 2018. Stalin's secret WWII bunker has become the unlikely meeting point for thousands of cheerful fans who have arrived to the city during the World Cup days. (Photo by Luis Andres Henao/AP Photo)

The Tibetan night sky was captured in these beautiful images showing the stunning buildings and statues in the Himalayan mountains. Grey Chow, 33, traveled for two hours to get to the Spiti Valley to capture the starry backdrop along the isolated, deserted roads. The senior project engineer was able to take amazingly clear images thanks to the limited amount of pollution at the 4,500-foot (1371m) altitude. (Photo by Grey Chow/Caters News Agency)

This picture taken on June 1, 2019 shows Alex Gao trying to balance a book on his head during an etiquette and manners class in central Shanghai. Against a soundtrack of classical music, children learn social skills, dining manners and deportment in the class, which costs $390 for four hours of practical instruction per student. (Photo by Hector Retamal/AFP Photo)