This combined photo shows Zhu Liangyu (C), a staff member of a security service company, conducts a research work in a residential community in Haidian District of Beijing, China (R, photo taken on March 2, 2013) and he, as a deputy to the 12th National People's Congress, attends a press conference in Beijing, China, March 10, 2013. Six grassroots NPC deputies involving farmers and workers were invited to answer questions at the press conference held by the first session of the 12th NPC on March 10. (Xinhua)