Full coverage: Xi Visits Czech Republic, Attends Nuclear Security Summit

Now for more discussion, we are joined in the studio by Su Xiaohui, Deputy Director of the Department of International and Strategic Studies, at the China Institute of International Studies.

Q1. President Xi Jinping's speech at the nuclear summit touched on a number of issues from nuclear terrorism to nuclear energy. What were the highlights for you?

Q2. President Xi also mentioned building a "fair, cooperative and win-win international nuclear security system". What will such a system entail, and how do you see China's involvement in it?