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

Ursula Sprecher and Andi Cortellini are obsessed with people’s hobbies. The two Swiss artists have spent the past seven years traveling across their native Switzerland photographing gatherings of like-minded people in a myriad array of interests and niche groups.

A horse smiles at the camera. See the beautiful images of horses gleefully playing in Iceland mountain ranges. The horses have been spotted smiling and cuddling in remote locations across the nation. (Photo by Bragi J. Ingibergsson/Caters News)

Fireworks light the morning sky March 6, 2012 as the Disney Fantasy, the newest Disney Cruise Line ship, arrives in her home port of Port Canaveral, Florida after traveling nearly 4,700 miles across the Atlantic Ocean from Bremerhaven, Germany. The 4,000-passenger Disney Fantasy will welcome guests on her maiden voyage on March 31, 2012, sailing seven-night cruises to the Caribbean and Disney's private island Castaway Cay, from Port Canaveral. (Photo by Todd Anderson/Disney Parks via Getty Images)

Models wearing creations by Philippines designer Nicole Santos wait backstage during the Thailand Fashion Week 2022 in Bangkok, Thailand, 30 June 2022. The Thailand Fashion Week showcases men's and women's Autumn/Winter 2022-2023 collections from both established and emerging brands across Haute-Couture, Ready-To-Wear, Avant-Garde, Accessories and Footwear on 29 and 30 June 2022. (Photo by Diego Azubel/EPA/EFE/Rex Features/Shutterstock)

A train attendant wearing a protective face mask stands on a train to Wuhan, at the railway station in Beijing, China, 29 March 2020. Wuhan, the epicenter of the coronavirus outbreak, partly lifted the lockdown allowing people to enter the city after more than two months. Chinese authorities eased the quarantine measures as cases of Covid-19 across China have plummeted, according to Chinese government figures. (Photo by Roman Pilipey/EPA/EFE)

Passengers wear protective masks while riding a subway train on April 21, 2020 in Shanghai, China. Health authorities of China said the country has passed the peak of the COVID-19 epidemic on March 12. As of today, the Coronavirus (COVID-19) pandemic has spread to many countries across the world, claiming over 171,000 lives and infecting over 2.4 million people. (Photo by Yves Dean/Getty Images)