Collider Activity Center
Sliding glass curtain wall design
Walltopia
Walltopia Ltd was founded in 1996 as a manufacturer of artificial climbing walls and climbing holds. Over the last 16 years, the company has become the global leader in its field, supplying its products to every country in the world where climbing is popular – including all West European countries, USA, Canada, Japan, Australia, etc.
New corporate headquarters
In 2013 Walltopia announced an architectural competition for the design of its new corporate headquarters and activity center in Sofia, Bulgaria.
