How much water does it really take to wash a sidewalk? https://t.co/Bv6rzzHJpw via @nytrealestate https://t.co/Goa1rSdkXG

How much water does it really take to wash a sidewalk? https://t.co/Bv6rzzHJpw via @nytrealestate https://t.co/Goa1rSdkXG