One of the longest sidewalks in the world, La Rambla meanders along the shimmering estuary Río de la Plata, past beaches, wine bars and purple-blossomed jacaranda trees, statues and sculptures ...

The trip was about 14 miles each way and it was ... it is still under one-half of 1 percent. Like sidewalks, trails are used by a significant number of our residents. They provide an alternative ...