What did they do with all the sand and rubble when they built the underground system?

Question

What did they do with all the sand and rubble when they built the underground system?

Answer 1

the waste could of been used in a number of ways:

to fill areas to landscape, to flatten land- hills etc

use for construction, ie bricks....

Answer 2

How do you think wales got there?

Answer 3

built ireland

Answer 4

We put it in your garden. You said it would be ok. I hope you haven't changed your mind now.

Answer 5

Most of it went to build the embankments at the outer ends of the lines or to keep gradients to a minimum, and I know of only one place where the spoil was actually "tipped", and that was at Park Royal, which later became part of the Guinness Brewery site.

Answer 6

ate it,,youve heard of sandwiches

Answer 7

think it was sent on barges down the thames and dumped in the  north sea

Answer 8

They dug another big hole and put it in there!

Answer 9

Built victoria and albert embankments along the river thames