Coba is a Mayan ruined city, set in the jungle in the Yucatan peninsula in Mexico. Compared to Chichen Itza it is a little less well known, has more of a Raiders of the Lost Ark feel, and the largest pyramid, Nochoch Mul (unlike in Chichen) is climbable and the tallest in the Mayan civilisation.
Getting there early in the morning allowed me to get in first and be completely alone. Great for photography as I was completely alone in the jungle but all the main points of interest were backlit against the early morning sun.
Here are a few B&W's processed so far:
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And finally 6. - a 5 shot pano of the main pyramid