A girl takes photos of the Christmas light installations at the "Christmas Wonderland" held in Singapore's Gardens by the Bay on Dec. 23, 2019. (Xinhua/Then Chih Wey)

People take photos of the Christmas light installations at the "Christmas Wonderland" held in Singapore's Gardens by the Bay on Dec. 23, 2019. (Xinhua/Then Chih Wey)

People are seen near the Christmas light installations at the "Christmas Wonderland" held in Singapore's Gardens by the Bay on Dec. 23, 2019. (Xinhua/Then Chih Wey)

People view the Christmas light installations at the "Christmas Wonderland" held in Singapore's Gardens by the Bay on Dec. 23, 2019. (Xinhua/Then Chih Wey)

People view the Christmas light installations at the "Christmas Wonderland" held in Singapore's Gardens by the Bay on Dec. 23, 2019. (Xinhua/Then Chih Wey)