Parkour is the newest kind of metropolitan stunt activity that includes participants leaping and performing artful maneuvers on structures and other features of city constructions . Seemingly, it is a very harmful but thrilling activity that needs high amounts of fitness . The link provided above programs us some pictures from such Parkour stunts where participants are leaping from constructing to building , somersaulting below one flooring to another, etc. The photos are by London-based professional photographer Jonathan Lucas who has evidently done a terrific task in freezing moments from this very fast-paced and high adrenaline action. The whole trait looks challenging however interesting as well.