Jin Liqun, president of the Asian Infrastructure Investment Bank, said he wants AIIB to become the bank that connects Asia to the world as it marked a total of 100 approved memberships during the past weekend.

The scientific communities of China and the United States still have room for exchanges and cooperation despite ongoing trade and technology disputes between the two countries, a senior science policy researcher said.

China's Tiangong II space lab will spend its last days in orbit this week before making a controlled fall on Friday back into Earth's atmosphere, according to the China Manned Space Agency.