This one was taken in the Red Light District. If you ever visit Amsterdam make sure you see it but only after you have seen the rest of the city. The Red Light District has a totally different vibe compared to the rest, it's busy, lots of tourists, lots of high and drunk people and some dodge pimps. So make sure this is not your first impression and save it for the end, unless the Red Light District and coffee shops are your only reason for visiting of course ;-).
Like I said there are some dodge people but it's fine to walk around, just don't take pictures of the girls or you camera may end up in the canal!