Chinese artists perform in a cultural gala to celebrate the upcoming Spring Festival, Chinese Lunar New Year, in Kolkata, India, on Feb. 12, 2018. Chinese Consulate General in Kolkata hosted the gala here on Monday to promote Chinese culture and to enhance the relationship between Chinese and Indian people. (Xinhua/Tumpa Mondal)

Chinese artists perform in a cultural gala to celebrate the upcoming Spring Festival, Chinese Lunar New Year, in Kolkata, India, on Feb. 12, 2018. Chinese Consulate General in Kolkata hosted the gala here on Monday to promote Chinese culture and to enhance the relationship between Chinese and Indian people. (Xinhua/Tumpa Mondal)

Chinese artists perform in a cultural gala to celebrate the upcoming Spring Festival, Chinese Lunar New Year, in Kolkata, India, on Feb. 12, 2018. Chinese Consulate General in Kolkata hosted the gala here on Monday to promote Chinese culture and to enhance the relationship between Chinese and Indian people. (Xinhua/Tumpa Mondal)

Chinese artists perform in a cultural gala to celebrate the upcoming Spring Festival, Chinese Lunar New Year, in Kolkata, India, on Feb. 12, 2018. Chinese Consulate General in Kolkata hosted the gala here on Monday to promote Chinese culture and to enhance the relationship between Chinese and Indian people. (Xinhua/Tumpa Mondal) 

Chinese artists perform in a cultural gala to celebrate the upcoming Spring Festival, Chinese Lunar New Year, in Kolkata, India, on Feb. 12, 2018. Chinese Consulate General in Kolkata hosted the gala here on Monday to promote Chinese culture and to enhance the relationship between Chinese and Indian people. (Xinhua/Tumpa Mondal)