Imponderabilia (1977) was a collaborative performance by artist Marina Abramovic and Ulay, in which they flanked the entrance to the Galleria Communale d’Arte Moderna in Bologna, Italy—completely nude.
Thinking about maps, the first thing to come to mind is political borders. The delineations between countries, between spaces and between people which in an age of globalization make mobility more a challenge than one could hope.