Tourists visit the Nongnooch Tropical Garden in Chonburi Province, Thailand, on Oct. 22, 2021. To encourage people to get vaccinated and travel, Nongnooch Tropical Garden, a well-known tourist attraction in Thailand, offers free admission to tourists who have completed two doses of COVID-19 vaccination before Nov. 15, 2021.(Photo: Xinhua)
Tourists take a rest at the Nongnooch Tropical Garden in Chonburi Province, Thailand, on Oct. 22, 2021. To encourage people to get vaccinated and travel, Nongnooch Tropical Garden, a well-known tourist attraction in Thailand, offers free admission to tourists who have completed two doses of COVID-19 vaccination before Nov. 15, 2021.(Photo: Xinhua)
A tourist takes photos at the Nongnooch Tropical Garden in Chonburi Province, Thailand, on Oct. 22, 2021. To encourage people to get vaccinated and travel, Nongnooch Tropical Garden, a well-known tourist attraction in Thailand, offers free admission to tourists who have completed two doses of COVID-19 vaccination before Nov. 15, 2021.(Photo: Xinhua)
Tourists visit the Nongnooch Tropical Garden in Chonburi Province, Thailand, on Oct. 22, 2021. To encourage people to get vaccinated and travel, Nongnooch Tropical Garden, a well-known tourist attraction in Thailand, offers free admission to tourists who have completed two doses of COVID-19 vaccination before Nov. 15, 2021.(Photo: Xinhua)