Yellow moss growing on part of the boardwalk's railing at Corkscrew Swamp in Naples, FL. The boardwalk through Corkscrew Swamp takes you on a 2.25 mile walk that twists through pine flatwoods, wetlands and a Bald Cypress forest. Camera: NEX-7; Aperture: f/5.6; ISO: 160; Exposure: 1/100; Focal Length: 55/1