This is a cloche. Cloche means bell in French. I believe a cloche was originally referred to as a small glass dome used to force plants to bloom (like a mini green house). But in decor terms, it's usually a display (raised on a stand) under glass.
Creating a fantastic outdoor retreat is not that hard: pick cute wooden furniture to storage your belongings, sofas and armchairs will help you achieve a comfortable retreat, put colourful flowers in original vases like apple crates, create a cosy atmosph