Modelling to understand baroque lights and shades

Catedral (facade)
A massive building that impresses by their marked morlises and frames with enhanced effect under the sunlight.[br]Made by [b]maestro Alonso Cano[/b], a fellow of [b][i]Velazquez[/i][/b], and inspired by tenebrism of [b][i]Caravaggio.[/i][/b]

Information: Modelling to understand baroque lights and shades