lü took part in an exhibition at the shanghai art museum which featured 100 of his photographs of mao, titled "mao zedong in my lens". he also attended a photography exhibition in beijing on december 24, 2014, to celebrate the 111th anniversary of mao zedong's birth, which was attended by xi jinping, the general secretary of the communist party of china. lu talked about his experience with photography, emphasizing that technology and knowledge are indispensable.