Tai Chi

This was quite a sight, a man doing tai chi on the Pyramid of the Sun in Teotihuacán, Mexico.
My guess is that it was some sort of promotion for tai chi, there where a lot of people around him, and one of them where a photographer.

• Aperture: ƒ/8
• Camera: NIKON D3S
• Taken: 25 October, 2011
• Focal length: 70mm
• ISO: 200
• Location: 19° 41.5513′ 0″ N 98° 50.618′ 0″ W
• Shutter speed: 1/800s