I intend to write the chalk-pit section as an isolated piece.
From the bbc.co.uk
Beginning in 1919, they created a unique collection of plants from around the world in a Sussex chalk pit.
From the theargus.co.uk
Barney lives with his sister Lou and their grandparents near an abandoned chalk pit that has become a place where people throw away their unwanted rubbish.
From the thisisbristol.co.uk
Today the steep-sided pit is a refuge for chalk grassland plants and animals once frequent on the now arable-ised fields of the south Cambridgeshire chalk belt.
From the guardian.co.uk
Early chalk workings were dug out there to provide foundations for the nearby cathedral hence the creation of a pit.