After a long winter, spring has returned to Hangzhou, capital of East China's Zhejiang province. A colorful sea of flowers forming the logo of the Asian Games Hangzhou 2022 is in full blossom near the Hangzhou Olympic Sports Center. [Photo/zjol.com.cn]

Covering an area of 150,000 square meters, most of the flowers are viola tricolors and collards. [Photo/zjol.com.cn]

Workers toil away in the sea of flowers in Hangzhou, Zhejiang province. [Photo/zjol.com.cn]