OpenStreetMap

OpenStreetMap
http://ru.wikipedia.org/wiki/OpenStreetMap#.D0.92.D0.B5.D0.BA.D1.82.D0.BE.D1.80.D0.BD.D1.8B.D0.B5_.D0.BA.D0.B0.D1.80.D1.82.D1.8B_.D1.82.D0.B5.D1.80.D1.80.D0.B8.D1.82.D0.BE.D1.80.D0.B8.D0.B9_.D0.B1.D1.8B.D0.B2.D1.88.D0.B5.D0.B3.D0.BE_.D0.A1.D0.A1.D0.A1.D0.A0_.D0.B4.D0.BB.D1.8F_gps-.D0.BD.D0.B0.D0.B2.D0.B8.D0.B3.D0.B0.D1.82.D0.BE.D1.80.D0.BE.D0.B2