The images of opposition leader Aung San Suu Kyi, and those of her father Aung San and mother Khin Kyi are indelible in Burma.

Constant and unchanging in peoples minds, in the history books, and on t-shirts.

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But one Rangoon artist is trying to capture their likenesses, and that of other famed political activists in his on fleeting style of artwork.

Ye Yint Hein took DVB into his workshop, where he casts portraits in chalk powder.