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BEIJING, Dec. 11 (Xinhua) -- A small drone able to fly more than 24 hours on just one charge made its first flight Tuesday, according to China Aerospace Science and Industry Corporation (CASIC).

Putin also said it is very important that Russia and China maintain regular top-level communication, adding that he looks forward to meeting Xi again on the sidelines of the Group of 20 summit to be held soon in Buenos Aires, Argentina.

With economic globalization suffering setbacks and multilateralism and free trade under assault, this year's G20 summit under the theme of "Building Consensus for Fair and Sustainable Development" attracts worldwide attention.

Xi's speech is very much welcomed because "what we need today is not more borders but less borders," said WTO Director-General Roberto Azevedo, adding that "we need countries to leverage their potential to help each other and to give more opportunities to businesses and for growth."

"For international developing countries like Papua New Guinea, this is a great initiative because of the access to capital and infrastructure-building capacities that we are now developing together with China," PNG Prime Minister Peter O'Neill commented.