Shelter of Nostalgia by Thai designer Worapong Manupipatpong “I want to bring back the memory of when we experienced space with our small bodies, but with large imagination and borderless freedom,” he explains. These tree house-like cabins are built up around the column of a building rather than over the branches of a tree. The three wooden playhouses overlap one another as they stack up around the column and ladders connect each floor to the one above.