Night view of Xi'an, NW China's Shaanxi

Photo taken on Jan. 21, 2022 shows a night view of the Datang Everbright City scenic area in Xi'an, northwest China's Shaanxi Province. The Datang Everbright City, a tourist landmark in Xi'an, has been adorned with colorful lights in celebration of the upcoming Spring Festival, or the Chinese Lunar New Year, which falls on Feb. 1, 2022. (Xinhua/Tao Ming)

Photo taken on Jan. 21, 2022 shows a night view of the Datang Everbright City scenic area in Xi'an, northwest China's Shaanxi Province. The Datang Everbright City, a tourist landmark in Xi'an, has been adorned with colorful lights in celebration of the upcoming Spring Festival, or the Chinese Lunar New Year, which falls on Feb. 1, 2022. (Xinhua/Tao Ming)

Aerial photo taken on Jan. 21, 2022 shows a night view of the Datang Everbright City scenic area in Xi'an, northwest China's Shaanxi Province. The Datang Everbright City, a tourist landmark in Xi'an, has been adorned with colorful lights in celebration of the upcoming Spring Festival, or the Chinese Lunar New Year, which falls on Feb. 1, 2022. (Xinhua/Tao Ming)

Photo taken on Jan. 21, 2022 shows a night view of the Datang Everbright City scenic area in Xi'an, northwest China's Shaanxi Province. The Datang Everbright City, a tourist landmark in Xi'an, has been adorned with colorful lights in celebration of the upcoming Spring Festival, or the Chinese Lunar New Year, which falls on Feb. 1, 2022. (Xinhua/Tao Ming)

Photo taken on Jan. 21, 2022 shows a night view of the Datang Everbright City scenic area in Xi'an, northwest China's Shaanxi Province. The Datang Everbright City, a tourist landmark in Xi'an, has been adorned with colorful lights in celebration of the upcoming Spring Festival, or the Chinese Lunar New Year, which falls on Feb. 1, 2022. (Xinhua/Tao Ming)