A woman walks past a graffiti portraying former Czech President Vaclav Havel on December 20, 2011 in Prague. Havel, a dissident and playwright who was the hero of the 1989 Velvet Revolution against communist rule and became his country's first post-independence president, died on December 18, 2011 aged 75. World leaders will join Czech dignitaries to pay homage to Havel at his state funeral in an historic Prague cathedral on December 23, 2011. AFP PHOTO / MICHAL CIZEK