good perspective drawing, great use of pastels to help viewer understand different materials as well as where the light source is coming from.
JR Sketches: Luberon, France 2013 1 - Set 2013
Architectural Sketch by Cláudio Cigarro, via Behance
architecture sketch 2 by eleoATM.deviantart.com
By @meghdad.maheri #arch_more
Samuel Chamberlain (1895-1975-American) - L'Horloge, Auxerre - 1924
Fusch Architects Architects Planners Renderings
A mano alzada. Con perspectiva.