-1º step: Open a new document in photoshop and paste the image you are going to manipulate, or open the image directly in photoshop.
this image for example; we are going to “delete” the window
-2º step: Choose the clone stamp tool
-3º step: press “alt” (as you can see the pointer is like spyhole)
-4º step: now, pressing “alt” pick in the ivy’s leafs,
-5º step: stop to press “alt” and draw over the window. As you can see in the window appear the leafs you choose pressing “alt” with the clone stamp tool.
-6º step: continue doing this to “cover” the window.
you will have something like this:
I did other works using that tool (with better quality xd)