On the 23rd local time, the fifteenth meeting of BRICS leaders was held in Johannesburg. This is the first offline meeting of BRICS leaders in three years, and it is also the third time that the BRICS meeting has entered Africa after five years, attracting global attention. On this day, President Xi Jinping attended the leaders' meeting, delivered an important speech, held four intensive meetings, discussed cooperation plans with the leaders of the BRICS countries and participating developing countries, and issued the China's "unity and cooperation for development, courage to take responsibility for peace" sound.