Sumer is the earliest known civilization in the historical region of southern Mesopotamia (now ... Sumerian written history reaches back to the 27th century BC and before, but the ... The center of Sumerian culture remained in southern Mesopotamia, even though rulers ... U.S. invasion · Iraqi insurgency · U.S. troop withdrawal.
The 5 points are: 1. Clean as you go 2. Minimize noise making 3. Do not feed the animals 4. Extinguish all fires before sleeping when you camp 5. Follow instructions from guides at all times
