Photographer David Clifford has captured the world's most dogged runners doing what they love in the most remote and unforgiving environments.
Pastrami sandwich, Katz’s Delicatessen, New York
Yes, yes, oh yes! The sandwiches about which Meg Ryan seemed so, ahem, passionate in When Harry Met Sally really are that good. Thousands of visitors each week don't have to fake their enthusiasm for this Lower East Side institution's slow-cured corned beef, pastrami and brisket on rye. Tourists come to sit where Meg sat but genuine Nu Yorkers have been coming to Katz's (205 East Houston Street, New York, +1 (212) 254 2246) since 1888, scoffing down some 12,000 hot dogs and 2,500kg of corned beef a week.