A visitor interacts with the multimedia installation "Dandelion" exhibited at Singapore's Gardens by the Bay on Nov. 9, 2020. "Dandelion", an interactive installation that allows people in Singapore and Japan to interact with each other via virtual dandelion fluffs, will be simultaneously exhibited in the two countries till Nov. 15. (Photo by Then Chih Wey/Xinhua)

A visitor interacts with the multimedia installation "Dandelion" exhibited at Singapore's Gardens by the Bay on Nov. 9, 2020. "Dandelion", an interactive installation that allows people in Singapore and Japan to interact with each other via virtual dandelion fluffs, will be simultaneously exhibited in the two countries till Nov. 15. (Photo by Then Chih Wey/Xinhua)

A visitor interacts with the multimedia installation "Dandelion" exhibited at Singapore's Gardens by the Bay on Nov. 9, 2020. "Dandelion", an interactive installation that allows people in Singapore and Japan to interact with each other via virtual dandelion fluffs, will be simultaneously exhibited in the two countries till Nov. 15. (Photo by Then Chih Wey/Xinhua)

A visitor interacts with the multimedia installation "Dandelion" exhibited at Singapore's Gardens by the Bay on Nov. 9, 2020. "Dandelion", an interactive installation that allows people in Singapore and Japan to interact with each other via virtual dandelion fluffs, will be simultaneously exhibited in the two countries till Nov. 15. (Photo by Then Chih Wey/Xinhua)