What Sanibel Island beaches are famous for

The reason Sanibel beaches on the south side of the island trap so many shells is that it's the only barrier island in American waters perpindicular to the coastline.

Date		11/10/2008 12:24:31
Camera model		NIKON D200
Shutter speed		1/1250
Aperture		f/5.6
Maximum aperture		f/5.6
Exposure bias		0.00
Exposure		Aperture priority
Focal length		135mm
Sensing		One-chip color area
Light source		Unknown
Flash		Off
Metering		Pattern
ISO sensitivity		100

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