This is a window in Gecko’s house on Gecko Prime in the Lizard Nebula.
The house as a window portal.
When you look out the window there is an Alien Landscape,you could step through but what if you did and when you looked back the window had disappeared.
Remember some windows use one way glass.
Of course only Gecko knows about the glass and its too much fun not telling and watching the (fools) step through.
This is a collaboration between Gecko and I under “Get your own planet”,
The image used was Gecko’s “The Square Window”.