Ostrava as a minig town, Ostrava as a black city. The Moravian Philharmonic Orchestra Ostrava as Black Pearl. Object Philharmonic has a raw lump of coal situated at Black Meadow site, the former heap. The building is a single mass laceration and shaped by the action of time, relative motion and contact materials are to each other and breaking moves. Tectonics of the facade symbolize brutality material, the piece of coal. On its surface has many different faces, edges, ridges and grooves. It is divided into layers of solid material, opaque and transparent gloss of the opening to the surroundings, providing visual contact with the interior and its interaction with the exterior. Inside, as the energy in coal is burning up, tuned in warm orange tones. It has the power to evoke heat of building, especially at night when during concert. Urban solving a broader relationship Philharmonic building is situated in the area of Black Meadow. The site is in close contact with cents and direct linkage to Masaryk Square. Philharmonic with its position linking a group of cultural objects, which are oriented in Theatre Street. The line begins at the Music Gallery Square, Philharmonic continues to object, bandstand, puppet shows to the theater of Antonin Dvorak. The building is oriented with its longitudinal axis in the direction northeast - southwest. The orientation of the main facade of the north side and is oriented to the Music of the square.