China gained its 48th World Heritage Site on Saturday during the 39th session of the UNESCO World Heritage Committee in Bonn, Germany.
The three Tusi sites include the ruins of Hailongtun castle in Guizhou; the Tangya Tusi city in Hubei; and the Yongshun old Tusi city in Hunan.
With the inscription of the three, China now has 48 world heritage sites, trailing only Italy.
Historical architecture researcher Chen Tongbin says the Tusi sites are different from common historical structures.
"One thing is worth our attention this time. What makes the Tusi Sites distinguished is not their architecture, but their roles in helping us learn about how an ancient governance system kept harmony between the central authorities at the time and l
