The remaining thirty-one miles of the Wall in the west was built of turf. The turf wall, constructed from turf blocks, was built either from the prepared ground or upon a bed of cobbles.

The base of each wall is stone, then the turf is stacked like bricks on top of that, or in a herringbone pattern. These walls are thick: perhaps a meter or more, and offer good insulation.

The turf area would likely be an estimated 3,500 to 4,500 square feet and would include a solid concrete wall and netting. “It would be a multi-use green turf that would be able to be used for ...

“A synthetic turf athletic field will be part of the store ... the interior of the store will also include a rock climbing wall, batting cage simulator, and golf, baseball, bike, and other ...