Example of an analytical drawing from a student. Note heavy use of line in place of shadow. Line is heavily worked - not singular or necessarily definitive. The shape is worked towards methodically and appears even appears transparent.
The largest investment and construction in Russia, of these days, are exhibition halls with residential skyscraper, Expocenter, located in a centre of the Moscow, designed by Zaha Hadid. The main aim of the horizontal space is to house the exposition and conference halls. In the ground-floor author created open, but cover place for outdoor exhibition.