Visitors wear face masks during the annual Dahlia Dreams floral display ahead of the Chinese Lunar New Year of the Ox, otherwise known as the Spring Festival, at Singapore's Gardens by the Bay, January 31, 2021. REUTERS/Loriene Perera

A general view of the annual Dahlia Dreams floral display ahead of the Chinese Lunar New Year of the Ox, otherwise known as the Spring Festival, at Singapore's Gardens by the Bay, January 31, 2021. REUTERS/Loriene Perera

A social distancing ambassador monitors visitors to ensure they comply with measures to curb the outbreak of the coronavirus disease (COVID-19) during the annual Dahlia Dreams floral display ahead of the Chinese Lunar New Year of the Ox, otherwise known as the Spring Festival, at Singapore's Gardens by the Bay, January 31, 2021. REUTERS/Loriene Perera

A sign reminding visitors to keep their masks on due to the ongoing coronavirus disease (COVID-19) outbreak is seen during the annual Dahlia Dreams floral display ahead of the Chinese Lunar New Year of the Ox, otherwise known as the Spring Festival, at Singapore's Gardens by the Bay, January 31, 2021. REUTERS/Loriene Perera

A social distancing ambassador monitors visitors to ensure they comply with measures to curb the outbreak of the coronavirus disease (COVID-19) during the annual Dahlia Dreams floral display ahead of the Chinese Lunar New Year of the Ox, otherwise known as the Spring Festival, at Singapore's Gardens by the Bay, January 31, 2021. REUTERS/Loriene Perera

Visitors wearing face masks pose with ox sculptures during the annual Dahlia Dreams floral display ahead of the Chinese Lunar New Year of the Ox, otherwise known as the Spring Festival, at Singapore's Gardens by the Bay, January 31, 2021. REUTERS/Loriene Perera

Visitors pose for a wefie during the annual Dahlia Dreams floral display ahead of the Chinese Lunar New Year of the Ox, otherwise known as the Spring Festival, at Singapore's Gardens by the Bay, January 31, 2021. REUTERS/Loriene Perera

A visitor wearing a face mask snaps a selfie during the annual Dahlia Dreams floral display ahead of the Chinese Lunar New Year of the Ox, otherwise known as the Spring Festival, at Singapore's Gardens by the Bay, January 31, 2021. REUTERS/Loriene Perera

People check out information boards on Chinese zodiac animals during the annual Dahlia Dreams floral display ahead of the Chinese Lunar New Year of the Ox, otherwise known as the Spring Festival, at Singapore's Gardens by the Bay, January 31, 2021. REUTERS/Loriene Perera

A dahlia is seen amid lanterns during the annual Dahlia Dreams floral display ahead of the Chinese Lunar New Year of the Ox, otherwise known as the Spring Festival, at Singapore's Gardens by the Bay, January 31, 2021. REUTERS/Loriene Perera

A family pose for a wefie while wearing their face masks during the annual Dahlia Dreams floral display ahead of the Chinese Lunar New Year of the Ox, otherwise known as the Spring Festival, at Singapore's Gardens by the Bay, January 31, 2021. REUTERS/Loriene Perera

A woman uses a smartphone to document her visit to the annual Dahlia Dreams floral display ahead of the Chinese Lunar New Year of the Ox, otherwise known as the Spring Festival, at Singapore's Gardens by the Bay, January 31, 2021. REUTERS/Loriene Perera

Visitors take pictures during the annual Dahlia Dreams floral display ahead of the Chinese Lunar New Year of the Ox, otherwise known as the Spring Festival, at Singapore's Gardens by the Bay, January 31, 2021. REUTERS/Loriene Perera

Visitors wearing face masks take pictures during the annual Dahlia Dreams floral display ahead of the Chinese Lunar New Year of the Ox, otherwise known as the Spring Festival, at Singapore's Gardens by the Bay, January 31, 2021. REUTERS/Loriene Perera

Visitors wearing face masks look at light sculptures of flowers during the annual Dahlia Dreams floral display ahead of the Chinese Lunar New Year of the Ox, otherwise known as the Spring Festival, at Singapore's Gardens by the Bay, January 31, 2021. REUTERS/Loriene Perera

Pedestrians walk past a light sculpture of an ox at a road crossing ahead of the Chinese Lunar New Year of the Ox, otherwise known as the Spring Festival, in Singapore's Chinatown, January 31, 2021. Picture taken with long exposure. REUTERS/Loriene Perera

Lighting decorations of auspicious Chinese sayings hang above a road ahead of the Chinese Lunar New Year of the Ox, otherwise known as the Spring Festival, in Singapore's Chinatown, January 31, 2021. Picture taken with long exposure. REUTERS/Loriene Perera

Lighting decorations in the shape of the Chinese zodiac animals hang above a road ahead of the Chinese Lunar New Year of the Ox, otherwise known as the Spring Festival, in Singapore's Chinatown, January 31, 2021. Picture taken with long exposure. REUTERS/Loriene Perera

A sign providing instructions in Chinese on how to use SafeEntry, Singapore's digital check-in system to curb the coronavirus disease (COVID-19) outbreak, is seen at the entrance of the annual River Hongbao festival on the eve of the Chinese Lunar New Year of the Ox, otherwise known as the Spring Festival, at Singapore's Gardens by the Bay, February 11, 2021. REUTERS/Loriene Perera

Visitors wait their turn to enter the annual River Hongbao festival, as part of measures to curb the coronavirus disease (COVID-19) outbreak, on the eve of the Chinese Lunar New Year of the Ox, otherwise known as the Spring Festival, at Singapore's Gardens by the Bay, February 11, 2021. REUTERS/Loriene Perera

Event marshals carry a sign to remind visitors to comply with measures to curb the coronavirus disease (COVID-19) outbreak during the annual River Hongbao festival on the eve of the Chinese Lunar New Year of the Ox, otherwise known as the Spring Festival, at Singapore's Gardens by the Bay, February 11, 2021. REUTERS/Loriene Perera

A family poses in front of a lantern display depicting traditional Northern and Southern Chinese lion dance costumes during the annual River Hongbao festival on the eve of the Chinese Lunar New Year of the Ox, otherwise known as the Spring Festival, at Singapore's Gardens by the Bay, February 11, 2021. REUTERS/Loriene Perera

Visitors wearing face masks view and take pictures of a lantern display that depicts a rabbit, one of the Chinese zodiac signs, as it rains during the annual River Hongbao festival on the eve of the Chinese Lunar New Year of the Ox, otherwise known as the Spring Festival, at Singapore's Gardens by the Bay, February 11, 2021. REUTERS/Loriene Perera

Safe distancing ambassadors (in red) walk past a lantern display during the annual River Hongbao festival on the eve of the Chinese Lunar New Year of the Ox, otherwise known as the Spring Festival, at Singapore's Gardens by the Bay, February 11, 2021. REUTERS/Loriene Perera

Safe distancing ambassadors stand in front of a lantern display paying homage to the Merlion, Singapore's national symbol, during the annual River Hongbao festival on the eve of the Chinese Lunar New Year of the Ox, otherwise known as the Spring Festival, at Singapore's Gardens by the Bay, February 11, 2021. REUTERS/Loriene Perera

Visitors wearing face masks are seen at one of the entrances of the annual River Hongbao festival on the eve of the Chinese Lunar New Year of the Ox, otherwise known as the Spring Festival, at Singapore's Gardens by the Bay, February 11, 2021. REUTERS/Loriene Perera

A visitor wearing a face mask takes pictures of lantern displays during the annual River Hongbao festival on the eve of the Chinese Lunar New Year of the Ox, otherwise known as the Spring Festival, at Singapore's Gardens by the Bay, February 11, 2021. REUTERS/Loriene Perera

A giant lantern depicting Caishen, the god of fortune, money and a golden ox is seen during the annual River Hongbao festival on the eve of the Chinese Lunar New Year of the Ox, otherwise known as the Spring Festival, at Singapore's Gardens by the Bay, February 11, 2021. REUTERS/Loriene Perera

A giant lantern display depicting Caishen, the god of fortune, is seen under the Supertrees during the annual River Hongbao festival on the eve of the Chinese Lunar New Year of the Ox, otherwise known as the Spring Festival, at Singapore's Gardens by the Bay, February 11, 2021. REUTERS/Loriene Perera