Doorways

Research for ongoing work on doorways, thresholds, liminality ... first, a compilation from the internet (click on the picture to see it much larger) -One seen nearer home, at the train station on Crouch Hill -
Can this door (on an "ark" at Orford, Suffolk) actually function? -
This "door in flux" is in a community centre in Kensal Rise that is being converted to a mosque -
An enigmatic painting by Rosalind Richards -