One important point! Shore of the river, which forms the major, ancient trade routes, usually saturated places have been listed as lists of protected objects. And in today’s climate, the more thrust there in any case impossible. Consider also that most of these sites does not marked on the ground, and a generation of adventurers past the places most accessibility along the famous trade routes.
On the beach, if the water is warm, you can do the search box and without the device – visual observation in the surf. Try to look at the land from the water. Justification is simple: gold objects are static, and the sand and pebbles, constantly moved back and forth in the surf wave, then bare, then fall asleep again these items. The same process takes place from the shore. But the surf look, basically, from the land, and not from the water. I had to talk to people who have struggled with the Black Sea summer boredom in this way. That’s what they advised.