IMAGINATION: Image-based Authentication

This is a novel Captcha to ensure that you are human and not a computer program.

How to Pass the CAPTCHA: Correct responses to each of the two authentication steps - (1) Click and (2) Annotate.

Step 1: Click close to the geometric center of a subimage

Below is a composite image tiled with multiple images and carefully distorted.
Please click close to the geometric center of any one of the images whose boundaries you figure out.