However, if you walk outside, since walking on concrete sidewalks or paved roads may give you shin splints, find a softer surface to walk on. (lasting-weight-loss.com)
Edward Hopper, often characterized as the quintessential New York artist, traveled away from the city every summer, leaving behind the heat and concrete sidewalks in favor of more pleasant climes and fresh subjects to paint outdoors. (museumpublicity.com)
It's hard to think that in just a few months that the cobblestones under my feet will be replaced with concrete sidewalks and giant parking lots. (seekingsunshine.com)