how can anybody draw a transparent figure with pencils?! 
(source: http://vk.com/wall-44709556?own=1&z=photo-44709556_322518293%2Falbum-44709556_00%2Frev)

how can anybody draw a transparent figure with pencils?! 

(source: http://vk.com/wall-44709556?own=1&z=photo-44709556_322518293%2Falbum-44709556_00%2Frev)