The Bow

The Bow is a 158,000-square-metre (1,700,000 sq ft) skyscraper in Downtown Calgary, Alberta, Canada. 236-metre (774 ft) building was the tallest in Calgary between July 8, 2010, when it surpassed the Suncor Energy Centre, and May 11, 2016, when it was exceeded by Brookfield Place. The Bow is currently the second-tallest office tower in Calgary and the third-tallest in Canada outside Toronto, Ontario. The Bow is also considered the start of redevelopment in Calgary's Downtown East Village. It was completed in 2012 and was ranked among the top 10 architectural projects in the world of that year according to Azure magazine. It was built for oil and gas company Encana, and was the headquarters of its successors Ovintiv and Cenovus.

Building data from Wikidata (CC0); heights normalised. Summary from Wikipedia (CC BY-SA).