Tjepkema unveiled Bronze Age in October 2014 at the Colloredo Mansfeld Palace during Designblok Prague.
Light Bridge, a light installation that Tjepkema installed on a bridge along Amstel river during the Amsterdam Light Festival of 2014,[REF] was made up of 1200 lights reacting to movements like bicycles passing over the bridge it was attached to or boats passing beneath from the Amstel [REF].