How do they get the furniture up here (answer anon

Here are the stairs in our house taken from the top. Very fascinating. Jut as Blip etc opens the door on other lives so houseswapping enables you to ive a a different life for a short time. However, this is probably our last one.
We are off to Wissembourg a pretty tourist spot and wine place this afternoon but my time in the house is just as fascinating.