| The evolution of buildings and implications for the design of ubiquitous domestic environments Recent countries visiting this post |  |
 | 5 | United States |
 | 2 | Europe |
 | 1 |
| The evolution of buildings and implications for the design of ubiquitous domestic environments Recent countries visiting this post | |
| 5 | United States |
| 2 | Europe |
| 1 |