Position B73 by , KilroyTrip 1 See on map In the district of Kerourien à Brest, Casemates 669 and 668 of position B73 In the district of Kerourien à Brest, Casemates 669 and 668 of position B73 Read Route Tags : b73 atlanticwall murdelatlantique bunker blockhaus finistere brest todt