Potatoes growing out of the ceiling in a tunnel. It's an ad by Lays: 'our potatoes are grown closer than you may think.' Could be an interesting street art concept, hanging growing stuff in subway tunnels etc.
odditiesoflife: “ Trees Burst Through Gallery Walls and Ceilings Brazilian artist Henrique Oliveira’s powerful recycled wood art installations snake through their exhibition spaces like massive living.
Street artist Smates turns an overpass into a shark tank in Brussels, Belgium. This is a beautiful (and a little terrifying) example of the transformative power of street art. It's amazing how realistic this looks!