Send the following on WhatsApp
Continue to ChatWorld's first manned flight with an electric multicopter https://polizeros.com/2011/11/06/worlds-first-manned-flight-with-an-electric-multicopter/
World's first manned flight with an electric multicopter https://polizeros.com/2011/11/06/worlds-first-manned-flight-with-an-electric-multicopter/