Ninjago City (70620) - It's a tree!!

So after a little more building, we did indeed find out what that odd-looking protrusion was from the single room on the 3rd level.

It is a lego representation of the iconic Japanese Cherry Blossom Tree! The strange looking piece that protruded out from the window of the building is actually the trunk (we initially thought maybe it was a cannon although that seemed to be pretty out of place with the rest of the set).

The tree looks quite realistic and I really like the knobby nature to it - with projecting branches jutting this way and that. And it definitely adds more color to what is already an amazingly colorful set.

The completion of the tree signals the completion of the 3rd level of the building. All that is left now is the 4th level (or roof) and the tower that sits above it.