People look at Hami melons at the 14th Hami Melon Festival in Hami, northwest China's Xinjiang Uygur Autonomous Region, July 18, 2017. More than 200 kinds of Hami Melons were presented at the festival, which are free for people to enjoy. (Xinhua/Li Hua)

People look at Hami melons at the 14th Hami Melon Festival in Hami, northwest China's Xinjiang Uygur Autonomous Region, July 18, 2017. More than 200 kinds of Hami Melons were presented at the festival, which are free for people to enjoy. (Xinhua/Polat)

A boy looks at Hami melons at the 14th Hami Melon Festival in Hami, northwest China's Xinjiang Uygur Autonomous Region, July 18, 2017. More than 200 kinds of Hami Melons were presented at the festival, which are free for people to enjoy. (Xinhua/Polat)

People look at Hami melons at the 14th Hami Melon Festival in Hami, northwest China's Xinjiang Uygur Autonomous Region, July 18, 2017. More than 200 kinds of Hami Melons were presented at the festival, which are free for people to enjoy. (Xinhua/Polat)