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An annual report on the global development of artificial intelligence is issued in Shanghai on Monday. TANG YANJUN / CHINA NEWS SERVICE

And here are a few more photos from the evening:

And the homeless problem that has exasperated San Francisco's city leaders for decades despite millions of dollars spent on it has gotten worse, say those who live and work among it and those struggling to deal with it.

And via the function of translation, Dar found it quite easy and efficient to understand what his friends were saying on WeChat, no matter it was in Chinese or in other languages, making possible communication without any barrier.

Andrew Shirman's farsighted life vision has led him to focus on providing eyeglasses for impoverished Chinese children.