(CNN) — A hotel that bills itself as the world’s first “polar bear hotel” has opened in China’s far northeastern Heilongjiang province, drawing both guests and criticism for its central feature: live polar bears.

The Polar Bear Hotel, part of the Harbin Polarland theme park in Heilongjiang’s capital and largest city, Harbin, opened its doors on Friday with the promise of round-the-clock polar bear viewing from all 21 guest rooms.

“Whether you’re eating, playing or sleeping, polar bears will keep you company,” Harbin Polarland’s official WeChat account said in a post dated March 11.

Photos and videos from Chinese state media showed people watching two polar bears in an indoor enclosure featuring artificial ice and small pools of water.

Yang Liu, a spokeswoman for Harbin Polarland, told Reuters that the indoor area is only part of the bears’ total enclosure, and that they are let outdoors when temperature and air quality permit.

She said interest in staying at the hotel, where rooms…