An older caucasian couple is having their picture taken by a stone statue of a man and woman kissing.
The tourists are having their picture taken by a famous work of art.
A couple having their picture taken by a statue does not imply that they are tourists. A stone statue does not imply that it is a famous work of art.
Just because a couple is having their picture taken by a famous work of art doesn't mean they are tourists.
Just because they are getting their picture taken by a statue doesn't mean they are tourists and just because there is a statue doesn't mean that it's a famous work of art.