Office building "Expo 2000" conceptual design - Stages III & IV
| Location | Sofia, Bulgaria |
| Investor | Raiffeisen property international |
| Lead designer | arch. Maya Yovcheva |
| Design team | arch. Maya Yovcheva, arch. Rayna Yanakieva |
| Year | 2009 |
| Total area | 30 000 m2 |
