Badiucao is one of China's most famous dissident cartoonists. His art is political and provocative - from poking fun at powerful Chinese figures like President Xi Jinping, to capturing the final days of Nobel Laureate Liu Xiaobo. For years, Badiucao operated in secrecy: he moved into exile in Australia, and wore a mask at public events to conceal his identity. In 2018 he planned his first ever solo exhibition in Hong Kong, but how would the Chinese authorities take it?

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Presenter and producer: Maryam Maruf

Secrets & Lies series producer: Fiona Woods

Music: Joel Cox