Rediscover Pudu Jail's prison wall art and hidden narratives in a photography exhibition

A work called 'Formula 1' (C-print, 2013). Photos: Dr K. Azril Ismail

What do you learn when you are in prison?

Dr K. Azril Ismail was not behind bars, at least not in terms of breaking the law, but for six months he walked its corridors and courtyards to photograph the graffiti of Pudu Jail in Kuala Lumpur.