A new cultural and social space has opened in Prague’s Karlín district, tucked within one of the arches of the historic Negrelli Viaduct. The first of its kind, the space is designed primarily for non-commercial events and will be tested for two years before any further decisions are made about its future. If the trial proves successful, the city plans to eventually enclose up to 40 arches along the viaduct, creating spaces for galleries, events, and potentially even commercial tenants. The creation of this glass-enclosed area, which includes a wooden…