USA swimmer Anita Alvarez sinks, coach dives in for the rescue.
USA swimmer Anita Alvarez sinks, coach dives in for the rescue.
Tag: Dives
Diminutive Deep Sea Drone Dives for Wrecks and Reefs | Hydrus is designed to be more like a DJI quadcopter than a submarine
Diminutive Deep Sea Drone Dives for Wrecks and Reefs | Hydrus is designed to be more like a DJI quadcopter ...