Two African penguins, one holding a hearted-shaped card, walk in the California Academy of Sciences in 2013 in San Francisco. In China, Feb. 22, 2022, has been awaited as “the most loving day of the year.” Photo: VCG

Two giant pandas eating bamboo together in 2017 in Chengdu, Southwest China’s Sichuan province. Photo: VCG

A resident takes photos of the Beijing Winter Olympics and Paralympics mascots Bing Dwen Dwen and Shuey Rhon Rhon on Feb. 1 in Beijing. Photo: VCG

Two mandarin ducks appear to form a heart with their bodies in Japan in 2020. Photo: VCG

Breeders hold twin white tiger cubs on Jan. 25 in Guangzhou, South China’s Guangdong province. Photo: Chen Jimin/China News Service, VCG

Papercuts are made to celebrate new marriages Tuesday at the Marriage Registration Office of Civil Affairs Bureau in Haikou, South China’s Hainan province. In China, many people chose to marry on Feb. 22. Photo: VCG

A couple walk in a Guangzhou open air market in Jan. 2019. Photo: VCG

Lovers appreciate the sunset in November 2020 at a hotel in Hangzhou, East China’s Zhejiang province. Photo: VCG

Visitors walk on a bridge shaped like two hearts pierced by an arrow in August 2019 in Chaka Salt Lake, Northwest China’s Qinghai province. Photo: VCG

Two white dolphins form a heart shape while kissing their trainers during a performance at Haichang Ocean Park in Qingdao, East China’s Shandong province, in 2018. Photo: VCG