This aerial drone photo taken on April 25, 2024 shows the panda houses at Lanzhou Wild Animal Park in Lanzhou, capital of northwest China's Gansu Province. Four giant pandas that have moved to their new home in Lanzhou made their public debut there on Thursday. The pandas, three males and one female, arrived at Lanzhou Wild Animal Park on April 2 from the China Conservation and Research Center for Giant Pandas in the neighboring Sichuan Province. (Xinhua/Lang Bingbing)