Photo taken on March 28, 2017 shows a captive balloon at the 38th Research Institute of China Electronics Technology Group Corporation in Hefei, capital of east China's Anhui Province. The captive balloon is an air platform carrying various devices, such as warning radar, video surveillance equipment, fog detection devices, communication relay devices and imaging equipment. The balloon is expected to play a role in precaution and detection, environmental surveillance, security and protection monitoring. (Xinhua/Zhang Cheng)
Captive balloon floats in air at testing ground in east China
Source:Xinhua| 2017-04-01 22:22:16|Editor: Mengjie
KEY WORDS: Captive balloon
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