| Constructing moving pictures eyes-free: an animation tool for the blind Recent countries visiting this post |  |
 | 7 | United States |
 | 3 | |
 | 1 | Russian Federation |
| Constructing moving pictures eyes-free: an animation tool for the blind Recent countries visiting this post | |
| 7 | United States |
| 3 | |
| 1 | Russian Federation |