Yellow River

The yellow river is a map added to Age of empires 3 in the Asian dynasties expansion, it consists of 4-5 landmasses with a central river obstructing any direct travel route, the player can establish a solid defense with ease as there are only two possible entrances to the players settlement meaning that, effectively defended, there is little or no chance of a large scaled invasion greatly damaging a player unless versed with an experienced and powerful foe.