Stop! Don’t take that picture! Tourists are used to being warned against taking pictures at border crossings, inside sacred sites and at places where security is a particular concern. But standing in a public square, taking a picture of a well-known public sculpture or famous building?In many countries — including the United States — the “freedom of panorama” is not as free as you may think. In fact, in many countries, where and when you take the photo is as important as the technology used.In …