Mr Thant wrote:
On 23 Jul, 18:19, Tom Anderson wrote:
Why does it stick up so much? Why does it need to go any further than
ground level (or, say, three metres above ground level)?

It includes pedestrian entrances, and it also incorporates the
ventilation outlets/emergency stairs at either end.

Does it contain mirrors or lenses to gather sunlight and direct it downward?
Or even a movable white sheet?