WASHINGTON, Oct. 19 (Xinhua) -- The U.S. Department of Homeland Security (DHS) has come under criticism from congressional Democrats following reports that it purchased two business jets worth about ...
China's low-altitude economy is projected to hit a market size of 1.5 trillion yuan (about 211.42 billion U.S. dollars) by 2025 and advance further to 3.5 trillion yuan by 2035, as forecast by the ...