Walltopia Ltd, the global leader in climbing walls production, has announced the architectural competition for Collider Activity Center. The competition is open, international and one stage. The scope of the competition is to design Collider Activity Center, which will be the new meeting place for all active people in Sofia, Bulgaria. The center includes climbing area, boulder room, multipurpose sports rooms, fitness, spa, swimming pool, offices, restaurant and bar.

International jury with architects from Great Britain, France, the Netherlands, Denmark, and Bulgaria will nominate 5 projects, which will receive € 5 000 each. Walltopia will choose one of the nominated projects, with whom they will sign a commission contract for execution of construction drawings (€ 15/sq.m for architecture).