Puzzle 002: Four Photographs

ナゾ００２　４枚の写真
同じ場所で撮られた４枚の写真がある。
４枚のうち３枚の写真はグループで
観光に来た人たちが交代でお互いを
撮り合ったときのものである。
残る１枚は違う日に同じ場所で撮られ
た３人とは関係ない人の写真だ。
一緒に町へ観光に来た人が写っている
写真３枚を選んでほしい。

Google Translate
Taken in the same place there are four photos. Three out of four copies of the photos is that when one turns shooting at each other in groups of people came to tourism. Still photos were taken in the same place one day and three different people who is not related photos. The photo showed a tourist who came to town should select the three pieces together.

Notes on puzzle
Basically, there are four photos of different people. Each photo has some slightly different details in the background. You need to select the three photos that are a group: the three who came and took a photo at the same time; the fourth is a photo taken at the same place but at a different time.