@CNN: Elon Musk shares video of “kid-size” submarine for Thai cave rescue https://t.co/xY6JKNdbOF https://t.co/aqkPeD7CYx

@CNN: Elon Musk shares video of “kid-size” submarine for Thai cave rescue https://t.co/xY6JKNdbOF https://t.co/aqkPeD7CYx