Here you can see a bit of the wall on the left where there will be a hill which can lift giving access to the tunnel in case of derailing.  This tunnel is 5m long and give access all along the tracks.  On top there will be scenery.

This shows you the structure for the mountain which can lift up to give acces for derailing trains.

This shows you the mountain area lifting up and a new section of wall at the back.

This is a picture of a trapdoor so that I can stand on to give me more space. Here it is open.

Here the trapdoor is partially closed.

And here it is fully closed.

This is a picture of the board that is to add more water to the layout, here it is folded down.

Here it is folded up to create water for ships, beach and harbour.