My advent calendar consists of 24 little houses made out of paper. They can be easily folded flat for storage. Could be an easy way to create an elaborate Christmas village that is easy to store but looks fantastic and festive.
Belén - estructura de cartón - puponelandia.com
Green string Christmas tree - so cool!
-diy-crafts-to-decorate-your-home-for-christmas/Balloon String Art Snowman