The cleaning was done within tanks dug into the rocks, some of which were then buried, and now are visible again thanks to recent excavations.
Some of of these rocks were then buried, but now are visible again thanks to recent excavations. The cleaning was done within tanks dug into rocks.
The cleaning was done within tanks dug into rocks. Some of of these rocks were then buried, but now are visible again thanks to recent excavations.
The cleaning was done within tanks dug into rocks. Some of of these rocks were then buried, but now are visible again thanks to recent excavations.