A tourist takes selfies with cole flowers in Beitou Village of Taiyuan, capital of north China's Shanxi Province, June 7, 2019. (Xinhua/Yang Chenguang)

Tourists view cole flowers in Beitou Village of Taiyuan, capital of north China's Shanxi Province, June 7, 2019. (Xinhua/Yang Chenguang)

Aerial photo taken on June 7, 2019 shows the cole flower fields in Beitou Village of Taiyuan, capital of north China's Shanxi Province. (Xinhua/Yang Chenguang)

A butterfly is seen among cole flowers in Beitou Village of Taiyuan, capital of north China's Shanxi Province, June 7, 2019. (Xinhua/Yang Chenguang)

Tourists take pictures amid cole flowers in Beitou Village of Taiyuan, capital of north China's Shanxi Province, June 7, 2019. (Xinhua/Yang Chenguang)