Southerners exploring your patch, hear the cry of disdain with little to look at let them have fun.
Tiles are unique, possibly each drawing depicting time in a region not yet built up/out!
Pity most explorers simply don't get it, leave untouched for the next to enjoy?
!BEER
I don't think there's much for them 'down there'. All the old industry is in the north, where the peasants could be put to work!
Old mills, some conversions into dwellings have turned out awesome by what I have seen, not so much peasants any longer....