Rembrandt's biggest painting the Night Watch which just got bigger with the help of artificial intelligence, in Amsterdam, Netherlands, Wednesday, June 23, 2021.

Video. Rembrandt's 'The Night Watch' lies 'flat on its belly' for restoration

Completed in 1642, the painting, which measures 3.8 x 4.5 metres and weighs 337 kilograms, is rich in details. It portrays the captain of an Amsterdam city militia ordering his men into action.