May 8 helped with the construction of the tree house at Wa-no-ie "Sakurai" (和の家「桜井」) in Tokyo.
The tree house is special in that it utilizes traditional Japanese building practices, such as timber framing and bamboo lattice and earthen plastered walls. Mr. Katsumata (勝又氏) lead construction of the bamboo and earthen plastered walls.

Adobe mud loafs to be stacked as bricks.