It probably could be worse, say, being the guys responsible for this:
http://metro.co.uk/2014/01/23/set-in-stone-victoria-line-closed-after-control-room-is-flooded-with-fast-setting-concrete-4275088/ (http://metro.co.uk/2014/01/23/set-in-stone-victoria-line-closed-after-control-room-is-flooded-with-fast-setting-concrete-4275088/)
Pics here:
(http://metrouk2.files.wordpress.com/2014/01/ad_125398548.jpg)
(http://metrouk2.files.wordpress.com/2014/01/ad_125398611.jpg)
(http://metrouk2.files.wordpress.com/2014/01/ad_125405896.jpg)