also bunkers some abandon some taken over by the tund and some still alive and its a good way to implomen trading it can come in a later update but it woud be good if you finde a lot of stuff you dont whant
There will be bunkers (already preparing one) - and caves :) Caves will be a place to get raw Ore, to put in the Blacksmith's Forge, to make Ingots, to make..... etc :)
