Sofia’s new Metropolitan Station 20 on line 1 connects the nearby historic city with a modern and developing city center. It creates an underground world inspired by the cities’ culture and modern day aspirations. The design strategy by ZNA (Zeybekoglu Nayman Associates, Inc.) seeks to take advantage of the overlapping relationship between Obikolna Street and the proposed station below. The design of a centralized median, which moderates traffic, becomes the glass spine of the station. Composed of high angled walls in white architectural concrete the station is formed to capture natural light. More images and architects’ description after the break.