One former engineer quit his job to roam the streets of New York's five boroughs. Another man, several decades older but no less energetic, brings his sociological teaching background to life through his own walking tour of NYC. By walking their home city block by block, these characters not only live a healthy lifestyle but also get a true feeling of the heart and pulse of their city. Watch this fascinating video to gain a new perspective on human understanding and a rare portrait of one of the most beloved cities in the world.
Dare to try the walking challenge yourself? First, shop our favorite sneakers.
Inspired to walk a city? Share your favorite urban jungles in the comments!