It’s an idyllic summer day along the Mediterranean Sea. You’ve nestled in your slice of earthly heaven, a small, sunny patch of sand, when a giant portrait of a cranky-looking grandma rises from the water and lurches toward you.
Is this a flash mob? An international episode of the U.S. hidden camera series: What Would You Do? What in the hell is going on?
It’s Spain’s Walking Gallery, where artists march around a city for several hours with their creations strapped to their bodies or hanging from handlebars.