what and who defines hero to you?

Photo by Maddie Keating - http://www.flickr.com/photos/maddiegascar95/7877277350/

Photo by Gregory Kowalski - http://www.flickr.com/photos/gregorykowalski/4411152020/

Photo by stupid pony - http://www.flickr.com/photos/stupidpony/8496121826/

Photo by Steve Harwood - http://www.flickr.com/photos/captkodak/486852199/

Photo by Porsche Brosseau - http://www.flickr.com/photos/porsche-linn/7538400918/

Photo by Federico Casares - http://www.flickr.com/photos/solofotones/1882239137/

Photo by Brendon Burton - http://www.flickr.com/photos/burtoo/6221572132/

Photo by lecates - http://www.flickr.com/photos/lecates/307250887/

Photo by Dennis Wilkinson - http://www.flickr.com/photos/djwtwo/6138257629/

Photo by Hammonton Photography - http://www.flickr.com/photos/jessica_digiacomo/5725091674/

Photo by Jeff McNeill - http://www.flickr.com/photos/jeffmcneill/7909892092/

Photo by Gwenael Piaser - http://www.flickr.com/photos/piaser/3912124466/

Photo by joserrai - http://www.flickr.com/photos/mundobiker/3146770449/

Photo by Kailash Gyawali - http://www.flickr.com/photos/klash/3206216434/