Mappature subacque, Sinai Diving Guide, Sharm El Sheikh Diving Guide, SS Thistlegorm & Rosalie Moller, relitti del Mar Rosso illustrazioni Steficossu, fotografie subacque Manfred Bortoli
Underwater maps, Sinai Diving Guide, Sharm El Sheikh Diving Guide, SS Thistlegorm & Rosalie Moller, illustration Steficossu, underwater photographs by Manfred Bortoli
