1 - Uhm, not safe. https://www.google.com/search?q=quadcopter+injury&num=50&rlz=1C1CHFX_enUS507US507&espv=2&source=lnms&tbm=isch&sa=X&ei=4T8ZVcvAB4WrgwSXkoT4AQ

1 - Uhm, not safe. https://www.google.com/search?q=quadcopter+injury&num=50&rlz=1C1CHFX_enUS507US507&espv=2&source=lnms&tbm=isch&sa=X&ei=4T8ZVcvAB4WrgwSXkoT4AQ&ved=0CAcQ_AUoAQ&biw=2048&bih=1067 https://www.google.com/search?q=quadcopter+injury&num=50&rlz...