When visiting the temples inside the Batu Caves near Kuala Lumpur with a Malaysia friend, I noticed an army of monkeys jumping around everywhere, trying to snatch snacks from people, looting litter bins or just basking in the sun. This particular specimen jumped onto a balustrade right next to me and - grasping a recently won ice cream cone in its hand - for a moment seemed to marvel at the large holes in the cave's ceiling like all the other tourists did.
Disclaimer: this image has been used in the sample gallery for the DA 35 f/2.4 review, but according to the contest rules it should still be eligible.