Want to have a foreign feel incorporated into your house? Check out this Egyptian Pyramid room design in Animal Crossing New Horizons. It's decorated with pyramid, golden caskets, a golden toilet, golden dishes, gold bars, and a Libra scale. These Ancient Items Set is a furniture set that is based off of rare treasures that you would find in Egypt. All these ACNH items for sale at Akrpg. 

Another design is for study room & workshop. It's all white except the wall, add some plants to make the room look elegant. You can cultivate your sentiment in this room, like reading books or practicing piano. Staying in a comfortable house can make you feel more happy!