Apple is offering a series of "sketch walks" hosted by well-known artists to celebrate the 10th anniversary of Urban Sketchers, a global community of artists that are dedicated to on-location drawing.

Ammi Cabrera, left, and Deja Williams, right, sketch the inside of the MCAD building on a recent Saturday during SketchMIA. Caitlin Granfield For the Miami Herald During SketchMIA, an architecture ...