UtajenaObrana is interactive mapping application to help finding and documenting fortifications built at 50-ties and 60-ties in former Czechoslovakia. Application is provided by Český rozhlas as a part of it's project "Secret Defence of the Iron Curtain" - http://www.rozhlas.cz/historie/bunkry/
What's new in UtajenaObrana 2.0
Large update of object database and photos, some functional improvements.
