"We have a mole Jim,........

.....their codename for him is Gerald" (and there's 5* on offer for the first person to correctly identify that quote!)

This pile of soil suddenly appeared at the renovation site over the back lane....and as they've already laid the drains and concreted over it can only come from the inside of the building....so, what do you reckon, a wine cellar or a secret nuclear bunker?

I probably don't need to mention the weather......