One of the greatest contemporary artists in the world, William Kentridge, made a large and long murales along the Tiber river, called "Triumphs and Laments". Using a technique similar to stencil, he designed black figures walking in a triumphal parade by simply cleaning the travertine blocs from pollution, shaping "dirty" silhouettes of famous characters from the Roman history. The black and white murales is breathtaking, grand, monumental and fragile too, since it's destined to disappear soon, due to pollution. It's a melancholic reflection on our triumphal past and, at the same time, the denounce of our monuments' laments.
Piazza Tevere, 00186 Roma, Italy