Discarded water bottle and seagull on a frozen canal, Amsterdam, originally uploaded by Dave Walsh Photography.
A seagull stands on the frozen Schinkel canal/river in Amsterdam, beside a discarded plastic Spa bottled water container.
Writer, photographer, environmental campaigner and "known troublemaker" Dave Walsh is the founder of Blather.net, described both as "possibly the most arrogant and depraved website to be found either side of the majestic Shannon River", and "the nicest website circulating in Ireland". Half Irishman, half-bicycle. He lives in southern Irish city of Barcelona.