900-year-old drains built during the Song Dynasty have proven far more effective than modern sewer systems in dealing with heavy flooding in the Chinese city of Ganzhou. Two long tunnels, built using bricks from the city walls, cross the city and channel floodwater into two ponds that function as reservoirs.
Archaeologists have found 3,000-year-old remains near Amsterdam, reversing experts opinions that no one could have lived in the area during the Bronze Age because it was too water-logged. Around 1,000 BC, water-logged land was a major problem for human settlements in this region in the north of the Netherlands. However, even