I hate scanning, but I managed to do one for the MSA. :)
So, here's my take on "portals". This shot is of an abandoned locomotive at the Pine Creek Railroad in Allaire State Park, NJ.
[Wehman 8x10 with 16-1/2" Goerz RD Artar on Ilford FP4+ (E.I. 100) for 13 secs at f/32, developed in Pyrocat-HD (2:2:100). Printed on Fomalux RC in Dektol.]