A man takes part in a competition during a kick-off ceremony for tourism season in Gongbo`gyamda County, southwest China`s Tibet Autonomous Region, April 15, 2018. (Xinhua/Liu Dongjun)

Aerial photo taken on April 15, 2018 shows a kick-off ceremony for tourism season held in Gongbo`gyamda County, southwest China`s Tibet Autonomous Region. (Xinhua/Liu Dongjun)

People taste air-dry pork during a kick-off ceremony for tourism season in Gongbo`gyamda County, southwest China`s Tibet Autonomous Region, April 15, 2018. (Xinhua/Liu Dongjun)

A man shows handmade wooden bowls during a kick-off ceremony for tourism season in Gongbo`gyamda County, southwest China`s Tibet Autonomous Region, April 15, 2018. (Xinhua/Liu Dongjun)

People watch folk art performance during a kick-off ceremony for tourism season in Gongbo`gyamda County, southwest China`s Tibet Autonomous Region, April 15, 2018. (Xinhua/Liu Dongjun)

People perform folk arts during a kick-off ceremony for tourism season in Gongbo`gyamda County, southwest China`s Tibet Autonomous Region, April 15, 2018. (Xinhua/Liu Dongjun)

People take part in a competition during a kick-off ceremony for tourism season in Gongbo`gyamda County, southwest China`s Tibet Autonomous Region, April 15, 2018. (Xinhua/Liu Dongjun)

People show traditional costumes of Nyingchi during a kick-off ceremony for tourism season in Gongbo`gyamda County, southwest China`s Tibet Autonomous Region, April 15, 2018. (Xinhua/Liu Dongjun)