Assuming you know who is in the top two photos, where are they taken?
And for the bottom left photo, what is it and where is it taken?
For the bottom right who, what, where, when, and why are the questions.
We can't tell you too much here without giving away what they are.
Click on a picture for an answer. Or click
to get to the start of the explanation.
Here's a clue though: by the time you read this we should be in