On Hector's relay.
Brooklyn bridge forming a shadow over the streets.
If that is about my compressed Earth, walls and roofs even.
I believe I suggested artficial lighting as a source of photosynthesis.
That is, if glass can't be made from the dirt on Mars.
Which is commonly made from Silica, which is found in sand.
It's hazy at this point in time, since that was nearly 4-5 years ago.
But for every roadblock, I believe I improvised a solution.
Not that it is complete as it is, but I can make something of it.