Drivers on the A4 motorway between Brussels and Luxembourg are surprised to see a metal arc emerging on either side of the motorway. It is actually a work of art, known as “Arc Majeur,” by Bernard Venet. It evokes the form of an enormous metal circle, 75 meters in diameter (about 250 feet), forming an angle of 205.5 degrees. Part of it seems to be hidden underground. The two arches have a total weight of 200 metric tons, with the north-eastern arch reaching a height of 60 meters (almost 2...
