Fake photo. Note how there’s no shadow where their faces are touching.
You might be too young or something but photos of Bush and this Saudi guy kissing and holding hands were in every newspaper etc at the time. If that photo is fake there are plenty real ones.
Yes it is a fake and a bad one. There are other pictures where they are close but someone just had to push a button.
I remember seeing this happen on a news broadcast. Video.
Look at some of the other angles, then: