Groups within Groups

OK, I freely admit that I goofed with how I shot this image. My settings

were wrong, and so was the hyperfocal distance. Disclaimers aside, I will

be grateful for any and all constructive feedback.

Shot with a Canon T1i, using a Tamron 18-270 mm zoom at 18mm; 1/250 sec., f8, ISO 1600.

A 'snaphot' of human nature; these people are in front of an unique aquarium but their concern is to evidence their presence there.