Europe House `3` small-size, eco-friendly and kohawoojing keywords

"The design and materials, as well as the window size and opening the way different." (A small house in Amsterdam, Netherlands 'silrodam' residents), "Note 3 The amount of sashimi dinner is just with my young" (Copenhagen, Denmark sedaegyoryuhyeong only 'mungkoseugoeo' residents), low fertility, aging, baby boomer retirement, etc. ...Europe House `3` small-size, eco-friendly and kohawoojing keywords