Ping Ping and Fu Shuang took off to Atlanta on a FedEx plane, with steamed corn buns, carrots and bamboo to snack on during the flight. The pandas' transfer had been already agreed but the departure was announced Thursday during Chinese leader Xi Jinping's visit to Washington. Key points and original sources are listed below.

• Ping Ping and Fu Shuang took off to Atlanta on a FedEx plane, with steamed corn buns, carrots and bamboo to snack on during the flight. Their trip is one of the few concrete things to come out the Xi-Trump summit.S1

• The pandas' transfer had been already agreed but the departure was announced Thursday during Chinese leader Xi Jinping's visit to Washington.S2