Anhydrite mine under Billingham. "[The mine] measures 11 million cubic metres, runs under housing and commercial buildings across two thirds of Billingham and the area towards Cowpen Industrial Estate."
Shame the images are so retardedly small.
PHP Errors Raised
Strict Error: Declaration of DB_common::raiseError() should be compatible with that of PEAR::raiseError() in /usr/home/freaky/www/aagh.net/PEAR/DB/common.php:1368
Strict Error: Declaration of DB_mysql::quote() should be compatible with that of DB_common::quote() in /usr/home/freaky/www/aagh.net/PEAR/DB/mysql.php:34