The US shot down what they believed to be a Chinese spy balloon at the start of February, sparking a global discussion on what the UFO could have been.

But in an age of drones, satellites and hi-tech spy planes, why would any world power still be using balloons for surveillance?

An expert explains the reasons a technology first used during the French Revolutionary Wars remains so in demand today.

Please subscribe HERE http://bit.ly/1rbfUog

#BBCNews

BREAKING

Unleashing Reptilian Secrets: Information Wars, the Ultimate 21st Century News Source!

Follow on Telegram

Search Now!