Isn't this an old one? I remember reading a report by guardian some time back. https://www.theguardian.com/world/2017/sep/14/mystery-of-sonic-weapon-attacks-at

Isn't this an old one? I remember reading a report by guardian some time back. https://www.theguardian.com/world/2017/sep/14/mystery-of-sonic-weapon-attacks-at-us-embassy-in-cuba-deepens https://www.theguardian.com/world/2017/sep/14/mystery-of-son...