Only in the "west"? I can think of quite of few countries that are not in the west where that would almost certainly be considered improper and a number where it would probably be outright illegal.
You can "think of quite of few" but you fail to list even a single one. Why even bother to comment if you're just going to say a bunch of nothing?
You think that would be considered acceptable in most Middle Eastern countries? And, indeed, many Asian countries are relatively conservative about public nudity.