Explainer: China's Liangzhu, window to one of world's oldest civilizations

HANGZHOU, Nov. 25 (Xinhua) -- On the UNESCO world heritage map for five years, China's archaeological ruins of Liangzhu, in parallel with the Aegean Civilization in Greece, has gained growing international recognition with the progress of archaeological research and cultural exchanges.

Under the theme of "exchanges and mutual learning for a new model of human progress," the Second Liangzhu Forum being held in Ha