Team OC2
I'm not sure whether this trefoil knot is a bookend or artwork.
Taken Saturday, October 17, 2015, 03:40:14PM.
Original image size: 2592x3888, 1.5Mb
Technical details: Canon EOS 40D, 1/500s@ F4, ISO 200, 17-40mm f/4L, 33mm (52mm equiv)
PS CS5 Exp1 Con50 CVS 40:40:10, Profile, USM 20:20