A tourist wearing traditional clothing poses for photos with blooming cherry blossoms by the East Lake in Wuhan, central China's Hubei Province, March 3, 2021. The cherry blossom festival kicked off in Wuhan on Wednesday, welcoming frontliners who fought in Hubei to aid local COVID-19 pandemic control efforts in 2020. [Photo/Xinhua]

Aerial photo taken on March 3, 2021 shows a night view of cherry blossom garden by the East Lake in Wuhan, central China's Hubei Province. The cherry blossom festival kicked off in Wuhan on Wednesday, welcoming frontliners who fought in Hubei to aid local COVID-19 pandemic control efforts in 2020. [Photo/Xinhua]

Photo taken on March 3, 2021 shows a view of blooming cherry blossoms by the East Lake in Wuhan, central China's Hubei Province. The cherry blossom festival kicked off in Wuhan on Wednesday, welcoming frontliners who fought in Hubei to aid local COVID-19 pandemic control efforts in 2020. [Photo/Xinhua]

A tourist views blooming cherry blossoms by the East Lake in Wuhan, central China's Hubei Province, March 3, 2021. The cherry blossom festival kicked off in Wuhan on Wednesday, welcoming frontliners who fought in Hubei to aid local COVID-19 pandemic control efforts in 2020. [Photo/Xinhua]

Photo taken on March 3, 2021 shows a view of blooming cherry blossoms by the East Lake in Wuhan, central China's Hubei Province. The cherry blossom festival kicked off in Wuhan on Wednesday, welcoming frontliners who fought in Hubei to aid local COVID-19 pandemic control efforts in 2020. [Photo/Xinhua]

Photo taken on March 3, 2021 shows a night view of blooming cherry blossoms by the East Lake in Wuhan, central China's Hubei Province. The cherry blossom festival kicked off in Wuhan on Wednesday, welcoming frontliners who fought in Hubei to aid local COVID-19 pandemic control efforts in 2020. [Photo/Xinhua]

Aerial photo taken on March 3, 2021 shows a night view of cherry blossom garden by the East Lake in Wuhan, central China's Hubei Province. The cherry blossom festival kicked off in Wuhan on Wednesday, welcoming frontliners who fought in Hubei to aid local COVID-19 pandemic control efforts in 2020. [Photo/Xinhua]

Photo taken on March 3, 2021 shows a view of blooming cherry blossoms by the East Lake in Wuhan, central China's Hubei Province. The cherry blossom festival kicked off in Wuhan on Wednesday, welcoming frontliners who fought in Hubei to aid local COVID-19 pandemic control efforts in 2020. [Photo/Xinhua]

Photo taken on March 3, 2021 shows a night view of cherry blossom garden by the East Lake in Wuhan, central China's Hubei Province. The cherry blossom festival kicked off in Wuhan on Wednesday, welcoming frontliners who fought in Hubei to aid local COVID-19 pandemic control efforts in 2020. [Photo/Xinhua]

Tourists view blooming cherry blossoms by the East Lake in Wuhan, central China's Hubei Province, March 3, 2021. The cherry blossom festival kicked off in Wuhan on Wednesday, welcoming frontliners who fought in Hubei to aid local COVID-19 pandemic control efforts in 2020. [Photo/Xinhua]

Photo taken on March 3, 2021 shows tourists taking photos of blooming cherry blossoms by the East Lake in Wuhan, central China's Hubei Province. The cherry blossom festival kicked off in Wuhan on Wednesday, welcoming frontliners who fought in Hubei to aid local COVID-19 pandemic control efforts in 2020. [Photo/Xinhua]

Photo taken on March 3, 2021 shows a night view of blooming cherry blossoms by the East Lake in Wuhan, central China's Hubei Province. The cherry blossom festival kicked off in Wuhan on Wednesday, welcoming frontliners who fought in Hubei to aid local COVID-19 pandemic control efforts in 2020. [Photo/Xinhua]