The fourth Changsha Stone Appreciation Expo and "Golden Pheasant Cup" National Ornamental Stone Exhibition opened at the Hunan Dalu Jewelry and Antique Market, Changsha on September 13. A variety of stones from all over the country are on display, offering visitors a feast of stone culture. The photo shows people visiting the exhibition. (Photo/Tian Chao, Hunan Daily)

The fourth Changsha Stone Appreciation Expo and "Golden Pheasant Cup" National Ornamental Stone Exhibition opened at the Hunan Dalu Jewelry and Antique Market, Changsha on September 13. A variety of stones from all over the country are on display, offering visitors a feast of stone culture. The photo shows people visiting the exhibition. (Photo/Tian Chao, Hunan Daily)

The fourth Changsha Stone Appreciation Expo and "Golden Pheasant Cup" National Ornamental Stone Exhibition opened at the Hunan Dalu Jewelry and Antique Market, Changsha on September 13. A variety of stones from all over the country are on display, offering visitors a feast of stone culture. The photo shows people visiting the exhibition. (Photo/Tian Chao, Hunan Daily)

The fourth Changsha Stone Appreciation Expo and "Golden Pheasant Cup" National Ornamental Stone Exhibition opened at the Hunan Dalu Jewelry and Antique Market, Changsha on September 13. A variety of stones from all over the country are on display, offering visitors a feast of stone culture. The photo shows people visiting the exhibition. (Photo/Tian Chao, Hunan Daily)

The fourth Changsha Stone Appreciation Expo and "Golden Pheasant Cup" National Ornamental Stone Exhibition opened at the Hunan Dalu Jewelry and Antique Market, Changsha on September 13. A variety of stones from all over the country are on display, offering visitors a feast of stone culture. The photo shows people visiting the exhibition. (Photo/Tian Chao, Hunan Daily)