Men perform a stunt known as "sidewall skiing" as an onlooker takes a selfie in Tabuk, Saudi Arabia. | (REUTERS/Mohamed Al Hwaity)

A child sleeps in a bag in an eastern Syrian village. | (REUTERS/Omar Sanadiki)

The dried-out shores of the Lake of Gruyere near Bulle, Switzerland. | (EPA-EFE/VALENTIN FLAURAUD)

A wooden sculpture reflected in a street mirror during preparations for the Fallas Festival in Valencia, Spain. | (EPA-EFE/Jose Villalgordo)

An attendant and a security officer stand in the Great Hall of the People in Beijing, China. | (REUTERS/Thomas Peter)

A two-week-old giraffe stands next to its mother in Sosto Zoo near Budapest, Hungary. | (EPA-EFE/ATTILA BALAZS)

Children play soccer in Port-au-Prince, Haiti. | (REUTERS/Andres Martinez Casares)

A migrant looks out from under a truck as a police officer waits to detain him in Patras, Greece. | (REUTERS/Alkis Konstantinidis)

A boy looks through a hole in the U.S.-Mexico border fence in Tijuana, Mexico. | (REUTERS/Edgard Garrido)

Students wear virtual reality headsets inside a classroom in Hunan province, China. | (REUTERS/Stringer)

A man with a dog watches cross-country skiers in southeastern Switzerland. | (EPA-EFE/GIAN EHRENZELLER)

A hot air balloon flies through fog in Canberra, Australia. | (EPA-EFE/LUKAS COCH)

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