![A stone banquet made of rare stones is on display at an exhibition center in Urumqi, capital of northwest China\'s Xinjiang Uygur Autonomous Region, June 15, 2018. (Photo: China News Service/Liu Xin)](http://www.ecns.cn/hd/2018/06/16/03e8315cdf2543989c0aa62a85fbe12f.jpg)
A stone banquet made of rare stones is on display at an exhibition center in Urumqi, capital of northwest China's Xinjiang Uygur Autonomous Region, June 15, 2018. (Photo: China News Service/Liu Xin)
![A stone banquet made of rare stones is on display at an exhibition center in Urumqi, capital of northwest China\'s Xinjiang Uygur Autonomous Region, June 15, 2018. (Photo: China News Service/Liu Xin)](http://www.ecns.cn/hd/2018/06/16/ec6b524a91ae42118f832eda97ca344d.jpg)
A stone banquet made of rare stones is on display at an exhibition center in Urumqi, capital of northwest China's Xinjiang Uygur Autonomous Region, June 15, 2018. (Photo: China News Service/Liu Xin)
![Rare stones are on display at an exhibition center in Urumqi, capital of northwest China\'s Xinjiang Uygur Autonomous Region, June 15, 2018. (Photo: China News Service/Liu Xin)](http://www.ecns.cn/hd/2018/06/16/e3f5ccdeca6b4bf2831bb79280b993fa.jpg)
Rare stones are on display at an exhibition center in Urumqi, capital of northwest China's Xinjiang Uygur Autonomous Region, June 15, 2018. (Photo: China News Service/Liu Xin)
![A rare stone is on display at an exhibition center in Urumqi, capital of northwest China\'s Xinjiang Uygur Autonomous Region, June 15, 2018. (Photo: China News Service/Liu Xin)](http://www.ecns.cn/hd/2018/06/16/c524abce18b24360901b5da75bfe65e5.jpg)
A rare stone is on display at an exhibition center in Urumqi, capital of northwest China's Xinjiang Uygur Autonomous Region, June 15, 2018. (Photo: China News Service/Liu Xin)
![Rare stones are on display at an exhibition center in Urumqi, capital of northwest China\'s Xinjiang Uygur Autonomous Region, June 15, 2018. (Photo: China News Service/Liu Xin)](http://www.ecns.cn/hd/2018/06/16/cb7aed6b59be401a8106abba33062fa7.jpg)
Rare stones are on display at an exhibition center in Urumqi, capital of northwest China's Xinjiang Uygur Autonomous Region, June 15, 2018. (Photo: China News Service/Liu Xin)
![Rare stones are on display at an exhibition center in Urumqi, capital of northwest China\'s Xinjiang Uygur Autonomous Region, June 15, 2018. (Photo: China News Service/Liu Xin)](http://www.ecns.cn/hd/2018/06/16/e4fd1d4e62f045559bca92b319bd961e.jpg)
Rare stones are on display at an exhibition center in Urumqi, capital of northwest China's Xinjiang Uygur Autonomous Region, June 15, 2018. (Photo: China News Service/Liu Xin)
![Rare stones are on display at an exhibition center in Urumqi, capital of northwest China\'s Xinjiang Uygur Autonomous Region, June 15, 2018. (Photo: China News Service/Liu Xin)](http://www.ecns.cn/hd/2018/06/16/fcb908dcc46c462eaa74508981c8fbe1.jpg)
Rare stones are on display at an exhibition center in Urumqi, capital of northwest China's Xinjiang Uygur Autonomous Region, June 15, 2018. (Photo: China News Service/Liu Xin)
![Rare stones are on display at an exhibition center in Urumqi, capital of northwest China\'s Xinjiang Uygur Autonomous Region, June 15, 2018. (Photo: China News Service/Liu Xin)](http://www.ecns.cn/hd/2018/06/16/61fd9a606389487880841ac957102a26.jpg)
Rare stones are on display at an exhibition center in Urumqi, capital of northwest China's Xinjiang Uygur Autonomous Region, June 15, 2018. (Photo: China News Service/Liu Xin)