A tiger at the Karachi Zoo licks an ice slab to keep cool during a heat wave on April 19th, 2017, in Karachi, Sindh. (Photo: Rizwan Tabassum/AFP/Getty Images)
Viewfinder: Looking Down at a Frigid New York City
Visitors to the One World Observatory look out at a snow covered Manhattan on January 8th, 2018, in New York City.
