“The white steps of Baltimore have become the city’s trademark and a marvel to visitors. Most of them are white marble, from nearby quarries, and homeowners vie in keeping them bright. In any block, there is seldom a day that someone is not out scrubbing them. On the older houses, the scraping of countless thousands of footsteps has worn grooves in the stone. 2000 block of Penrose Avenue in West Baltimore.” Source - the photographer’s website