The other two meningeal layers are the arachnoid mater and the pia mater. The dura surrounds the brain and the spinal cord and is responsible for keeping in the cerebrospinal fluid.he other two meningeal layers are the arachnoid mater and the pia mater. The dura surrounds the brain and the spinal cord and is responsible for keeping in the cerebrospinal fluid.
For 50 years, the stairs carried fans of the five city sports teams to and from the Polo Grounds in Harlem, until they finally rusted away in the years following the stadiumâs demolition, in 1964. John T. Brush, who built the stairway and donated it to the city, died the year before it opened to the public.
PNC Park is a baseball park located on the North Shore of Pittsburgh, Pennsylvania. It is the fifth home of the Pittsburgh Pirates, the city's Major League Baseball (MLB) franchise. It opened during the 2001 MLB season, after the controlled implosion of the Pirates' previous home, Three Rivers Stadium. The ballpark is sponsored by PNC Financial Services, which purchased the naming rights in 1998.