Taken on 30/12/2013 at16:27:11Hrs (2127GMT) in the Sian Ka’An reserve, Mexico. Using a Nikon D3100 camera with a Tamron AF70-300mm F4-5.6 Di LD MACRO 1:2 lens Sian Ka'an is a biosphere reserve in the municipality of Tulum in the Mexican state of Quintana Roo. It was established in 1986. Click on IMAGE or press L to view on BLACK. Right click on IMAGE & choose ORIGINAL for more detail.