Informal touch builds friendship between nations

How much do you think can be achieved in 10 hours? It depends largely on an individual's interests and ability to multitask.

But by any standards, the progress made by Premier Li Keqiang in the time he spent with German Chancellor Angela Merkel on his first full stay in Berlin set an impressive example.

On a yard outside a modern office building in the German capital, Merkel greeted Li with full ceremony on Friday morning.