Michel Roggo / Sockeye / Red Salmon (Oncorhynchus nerka) on spawning migration. Adams River, British Columbia, Canada, October.

David Noton / Rush hour traffic. M32, Bristol, England, UK, Europe

Pat Tuson / Commuter cyclists and buses in rush hour traffic, Angel, London Borough of Islington, UK, May 2009

Michael W. Richards / People on bicycles in rush hour through Nagpur, Maharashtra, India

DAVID TIPLING / Morning rush hour as commuters cycle to work. Bejing, China.