Who needs walls when you have a hearty tree trunk? Who needs a roof when you have a leafy canopy overhead? Who needs to live on the ground when you have twisting, turning #stairs that hugs this #off-the-grid #treehouse with three balconies, a dining area, bedroom and workspace? And how did this tree get so big? The secret might be in it's unusual fertilization plan. #staircaseupdate #5thBirthdaySims4