How many landscapes largely set the course for the graphic treatment of landscape until the end of the 19th century ?
Later generations of Flemish artists such as Jan Brueghel the Elder , Anton Mirou , Lucas van Valkenborch and Gillis van Coninxloo continued to produce late Mannerist versions of the full formula , as developed by Pieter Bruegel the Elder , before in the 1590s van Coninxloo let the trees move in like curtains from the sides to restrict and then eliminate a distant view , pioneering the Flemish development of the dense forest views of the Danube school .