Vermeer - Lace maker.
Hani Shihada who is mostly known around New York City as just Hani, shown here painting on the sidewalk with chalk and acrylics.
A film of acrylic is applied to the finished work, allow for the survival of the pieces in their sidewalk galleries. The work does eventually vanish. The act of drawing on a public sidewalk--each work takes at least a week to complete--not only exposes to onlookers the process involved in creating such work, but raises issues regarding public space and its use.