Photos of vegetation which could be anywhere are of course a RailScot staple, but at least this one has got some lethal-looking hardware in it too. Just to the right of the tree you can make out the grating of the air vent to the south tunnel; the vent to the north one (qv) has to have a 'chimney' as it is in a publicly accessible spot.
Location: Haymarket Tunnels
Original line: Edinburgh and Glasgow Railway
Photographer: David Panton
Contact photographer: David Panton
Date: 08/05/2021
Image number: 76760