The Reservoir Solution

They were working underground again. The temperature stayed at around 80°F. Not too cold, not too hot—just right for working.

They started digging from the tunnel entrance and went in the opposite direction. At first, they used a machine. Once the space got bigger, they switched to shovels.

Gareth and Callum worked in the front, digging. Sadie and Diane stayed in the back, moving the dirt away.