Kostya Loginov and Vlad Yakovlev created this brilliant interactive website that allows a user to play with and alter Piet Mondrian's "Composition with Yellow, Red, Black, Blue and Grey."
It allows everybody deconstruct the original painting and form it again in whatever he or she wants. Lines are shiftable (just drag it with your mouse) and colours changeable (click on it). Texture of the painting was preserved for authentic look. One can play with composition, forms and colours, alter the harmony of the piece or even destroy it and compose something pictorial.
[Via]