uhm you can see them through the water. They just run to deep. In large waves theyre sometimes visible.
Btw you can see the mines too. Thats very cool. Once i just wanted to look around as i usualy do every few hours. Ive picked my binoculars and found myself in a middle of a minefield. I could see the mines through the water everywhere around. Wow i was shocked. But looking closer at them they exposed to be much deeper then i thought so they were no threat to my boat surfaced. But good to know when you are in a mine field you shouldnt dive ^^
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