<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><br><br><div dir="ltr">sent from a phone</div><div dir="ltr"><br><blockquote type="cite">On 4 Jan 2021, at 23:28, Paul Allen <pla16021@gmail.com> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr"><div>From aerial imagery alone, you cannot tell that the alignment passes</div><div>through the living room, only that it passes through the building.</div><div>It might be a tunnel=building_passage (I've mapped several of those</div><div>around here, although none has been for a former railway). It almost</div><div>certainly isn't a building passage, but you cannot tell that from aerial</div><div>imagery alone.</div></div></blockquote><br><div><br></div><div>here’s a 10 storey building that was built on top of an existing railway:</div><div><a href="https://www.openstreetmap.org/way/38367042">https://www.openstreetmap.org/way/38367042</a></div><div><br></div><div>Admittedly it was not abandoned but in use then.</div><div><br></div><div>Cheers Martin </div></body></html>