Tierpark (Berlin U-Bahn) by 1 July 1989, just a few months before the fall of the Berlin Wall. When the Berlin Wall fell, the line was subsequently renumbered to U5 in 1 July 1990. Tierpark (Berlin U-Bahn) Tierpark is a Berlin U-Bahn station located on the . It is named after the Tierpark Berlin, one of the two zoological gardens in Berlin. Prior to the opening of the station, the line was intended to go to Karlshorst in the early 1950s/60s plans. Construction of the station began on 19 September 1969. This station was opened in 1973. It was the one and only
Heddon-on-the-Wall where the name means 'Hidda's pasture'. A Roman milecastle ('Milecastle 12') was located at the site of the present-day village, under what is now Town Farm, but no traces of it are currently visible. Prior to the 1960s, Heddon-on-the-Wall was a small village with an economy based strongly on traditional industry including farming and coal mining. Large-scale coal mining close to the village began in the late 1950s with the opening of the Bays Leap, a opencast mine site located a short distance north of Heddon-on-the-Wall. The site supported seven coal seams at its peak, and evidence was found of