Triplets of white lion cubs play outdoors at Nantong Forest Safari Park in Nantong City, east China's Jiangsu Province, April 23, 2020. The nearly two-month-old triplets make their debut at the park on Thursday and they will formally meet the tourists on May 1. (Photo by Xu Congjun/Xinhua)

White lion cubs play with feeders outdoors at Nantong Forest Safari Park in Nantong City, east China's Jiangsu Province, April 23, 2020. The nearly two-month-old triplets make their debut at the park on Thursday and they will formally meet the tourists on May 1. (Photo by Xu Congjun/Xinhua)

White lion cubs play outdoors at Nantong Forest Safari Park in Nantong City, east China's Jiangsu Province, April 23, 2020. The nearly two-month-old triplets make their debut at the park on Thursday and they will formally meet the tourists on May 1. (Photo by Xu Congjun/Xinhua)

Triplets of white lion cubs play outdoors at Nantong Forest Safari Park in Nantong City, east China's Jiangsu Province, April 23, 2020. The nearly two-month-old triplets make their debut at the park on Thursday and they will formally meet the tourists on May 1. (Photo by Xu Congjun/Xinhua)

Triplets of white lion cubs play outdoors at Nantong Forest Safari Park in Nantong City, east China's Jiangsu Province, April 23, 2020. The nearly two-month-old triplets make their debut at the park on Thursday and they will formally meet the tourists on May 1. (Photo by Xu Congjun/Xinhua)

Triplets of white lion cubs play outdoors at Nantong Forest Safari Park in Nantong City, east China's Jiangsu Province, April 23, 2020. The nearly two-month-old triplets make their debut at the park on Thursday and they will formally meet the tourists on May 1. (Photo by Xu Congjun/Xinhua)