Scenery of cole flower fields in Qinghai

Photo taken on July 3, 2022 shows cole flower fields in Menyuan Hui Autonomous County of Haibei Tibetan Autonomous Prefecture, northwest China's Qinghai Province. (Xinhua/Zhang Long)

Aerial photo taken on July 3, 2022 shows cole flower fields in Menyuan Hui Autonomous County of Haibei Tibetan Autonomous Prefecture, northwest China's Qinghai Province. (Xinhua/Zhang Long)

Visitors are seen among cole flower fields at a scenic spot in Menyuan Hui Autonomous County of Haibei Tibetan Autonomous Prefecture, northwest China's Qinghai Province, July 3, 2022. (Xinhua/Zhang Long)

Visitors are seen among cole flower fields at a scenic spot in Menyuan Hui Autonomous County of Haibei Tibetan Autonomous Prefecture, northwest China's Qinghai Province, July 3, 2022. (Xinhua/Zhang Long)

A train passes by cole flower fields in Menyuan Hui Autonomous County of Haibei Tibetan Autonomous Prefecture, northwest China's Qinghai Province, July 3, 2022. (Xinhua/Zhang Long)

Photo taken on July 2, 2022 shows cole flower fields in Menyuan Hui Autonomous County of Haibei Tibetan Autonomous Prefecture, northwest China's Qinghai Province. (Xinhua/Zhang Long)

A bee gathers nectar among cole flowers in Menyuan Hui Autonomous County of Haibei Tibetan Autonomous Prefecture, northwest China's Qinghai Province, July 2, 2022. (Xinhua/Zhang Long)

A visitor is seen among cole flower fields at a scenic spot in Menyuan Hui Autonomous County of Haibei Tibetan Autonomous Prefecture, northwest China's Qinghai Province, July 3, 2022. (Xinhua/Zhang Long)