Hurricane intensity is measured by the storm's average wind speed.…
Chilean Miner Rescue: Inside The Mine
The 33 trapped miners have more room to move around than most people think. In addition to the main room, in which they regularly gather, they have a number of adjacent tunnels, as sketched out on a napkin, below, and sent up by one of the men.
Jose Ojeda’s napkin-sketched map details where the men slept, gathered and lived for 69 days.