New York's famed Empire State Building hosted new guests on Saturday night as images of endangered animals were flashed across its facade.

A brightly burning magnesium-rich meteor known as a bolide was captured near Bude, Cornwall on January 24, 2020. (Photo by Chris Small/Apex News)

People participate in the 36th annual Mermaid Parade in Coney Island on June 16, 2018 in New York City. (Photo by Stephanie Keith/Getty Images)

A grey seal basks under a rainbow on a beach on the Lincolnshire coast, England on November 21, 2017. (Photo by Sean Weekly/Caters News Agency)

A Chinese snake charmer performs at a temple fair to mark Chinese New Year February 19, 2007 in Beijing, China. Chinese worldwide are celebrating the Chinese Lunar New Year of the Pig. (Photo by Guang Niu/Getty Images)

The new 2011 Volkswagen Passant Variant (L) and new Golf Cabrio are lifted into one of two storage towers at the Autostadt customer reception center at the Volkswagen factory on the day of the German automaker's annual press conference on March 10, 2011 in Wolfsburg, Germany. (Photo by Sean Gallup/Getty Images)

A Chinese vendor wears a rooster hat as he smokes a cigarette at his souvenir stall at a fair at Temple of Earth, on the eve of Chinese New Year February 8, 2005 in Beijing, China. Chinese started February 8, to celebrate the New Year of the Rooster. (Photo by Andrew Wong/Getty Images)

Members of the Communist New Fourth Army on parade. Note how the modern equipment contrasts with the shoeless soldiers in the foreground. (Photo by Hulton Archive/Getty Images). 6th July 1946