Cave explorers in a cave and not being able to locate themselves. They also got stuck while exploring the cave and they need a robot or any kind of device to let them have a sense of which way to go or how to get out if they are stuck.
Cave explorers in a cave and not being able to locate themselves. They also got stuck while exploring the cave and they need a robot or any kind of device to let them have a sense of which way to go or how to get out if they are stuck.