Il Circo Massimo, Rome - Is an ancient Roman chariot racing stadium and mass entertainment venue located in Rome, Italy. Situated in the valley between the Aventine and Palatine hills, it was the first and largest stadium in ancient Rome and its later Empire. It measured 621 m (2,037 ft) in length and 118 m (387 ft) in width, and could accommodate over 150,000 spectators.
Rotation, rotation, rotation! Alexander Calder and his high-wire circus act - Tate Modern, London A conversation with Mondrian in 1930 set in motion Alexander Calder’s glorious mobile sculptures – and his balletic constellations are still breathtaking today