XINHUA Discoveries at the legendary Sanxingdui ruins in southwest China show that the region’s ancient Shu state civilization shared similarities with the Maya, according to the director of the Chichén Itzá archaeological site, Marco Antonio Santos. The Sanxingdui ruins, located in the city of Guanghan, about 60 kilometers from Chengdu, the provincial capital of Sichuan, belonged to the Shu Dynasty