0:36 play_arrow Physics behind Strange Spider Behavior patentyogi-727 visibility 9 schedule 2 سال پیش favorite
0:59 play_arrow Largest Spherical Structure in the World patentyogi-727 visibility 3 schedule 2 سال پیش favorite
0:27 play_arrow Ping Pong on Rock Climbing Wall patentyogi-727 visibility 2 schedule 2 سال پیش favorite