That third one down... that piece (the original at least) was the first artwork we looked at in my very first art history class. Art started as paint on the walls.
Artist: Joe Iurato - Looking Up, location: New York, Usa
Sluggo on the street: Rehab of an indoor chalk art installation from several years ago. Nice to see that some romances remain forever on the precipice
Street art in Nice, France, by Fabio Rieti