An empty moat, otherwise known as a ditch, is an excavated area of land around a fortification put in place to deliberately slow the advance of attackers. Normally, there is a bridge that can be let down to ease authorized travelers getting in and out.
- 10000 work hours
- 500 Holz
- 50 Metal
- 300 Güter
- 100 minimum population to construct
- Full efficiency requires 200+ population