Can the canvas be hung the other way around (landscape)?

The hanging system is mounted on the painting so it hangs as shown in the images. 

But It is possible to modify the hanging system to your liking. 

Art is relative and is perceived differently from anybody's perspective. If it satisfies your vision then all you need to do is make it happen. 

Let us know before you order so we can make sure the hanging system is built such that it satisfies your wishes.