All my drawings
No, really, literally all.

Interior drawings

Interior drawings

Drawing interiors in one point perspective (top one) and 2 point perspective (bottom one).

A study from "Fundamentals of educational academic drawing" book by Nikolai Li (in Russian: Николай Ли, Основы учебного академического рисунка).

Months of drawing: 5
Original: 2480*3507