Are you planning to add a Zielona Góra city? Map has no city between Gorzów Wlkp. and Wrocław. There are some big factories around (Rockwool in Cigacice - around 15km from Zielona Góra, Stelmet in ZG or Swiss Krono in Żary - around 50km from ZG), so I think this city is big enough to be a part of Pr...