The first one is iffy.... probably depends on a country too. If you take a panoramic shot of the beach, and someone is randomly topless.. sure. If you take a te

The first one is iffy.... probably depends on a country too. If you take a panoramic shot of the beach, and someone is randomly topless.. sure. If you take a telephoto lens and single them out, it's questionable, and in many countries, illegal. Same as with walking vs following someone, even in public... the intent is different, so is the legality.