Built on the surface of 2200 square meters and the total cost of $ 2,035,000. That’s because before there were many elements that need to be integrated and placed together in the same room. Glass staircase connecting two floors and also provides a contemporary and modern touch. You are looking at a high second floor apartment from Portland, Oregon, developed in a vintage building, respecting the construction of major architectural project of lines.The Sienna Architects, an architectural firm from the United States. Colorful elements (such as yellow and purple seat cushions) cheer up the room and become the focal point. Today we want to present some interesting interior apartment that we think fell in the category of “complex” arrangements.