Max Pearson presents a collection of the week's Witness History episodes.We hear the story of the pianist who played on when Damascus was bombed and the Christians who met in secret.Plus how William Golding wrote Lord of the Flies, the handover of Macau to China in 1999 and the start of the Ultimate Fighting Championship.This episode contains descriptions of violence, which some listeners may find distressing. Contributors: Aeham Ahmad - the Pianist of Yarmouk. Dr Gillian Howell - Senior Research Fellow at the University of Melbourne. Naghmeh Panahi - founder of a network of secret 'house churches' in Iran. Miguel Senna Fernandes - former member of the Macau Legislative Council. Judy Carver - William Golding's daughter. Campbell McLaren - co-creator of UFC.(Photo: Aeham Ahmad, the Pianist of Yarmouk and other Palestinian musician refugees in Damascus, in Syria, in 2014. Credit: Rame Alsayed/Anadolu Agency/Getty Images)