an Entity references as follows:
The Arts Tower is a building at 12 Bolsover Street in Sheffield, England belonging to the University of Sheffield and opened in 1966. A spokesperson for English Heritage described it as "the most elegant university tower block in Britain of its period". At 255 feet (78 m) tall, it is the second tallest building in the city, after the 331 feet (101 m) St Paul's Tower on Arundel Gate, which was topped out in 2009. Mitchell Construction a British civil engineering firm, built the Arts Tower. Photographs from their topping out ceremony in October 1964 help to document a different era in UK working conditions.