The Shard is an 8-7 storey skyscraper, which sits in the heart of London. It is known as the shard of glass. Construction began in 2009 and was completed three years later in 2012, making it Western European’s tallest building. Designed by architect Renzo Piano, The Shard is the second tallest free standing structure in the UK. Its exterior boasts 11.000 glass panels – that’s equivalent in area to eight football pitches or two-and-a-half Trafaigar Squares The building was developed to have multiple uses, describes on the website as a ‘vertical city where people can live, work and relax’. This motto was clearly taken on board that was found on the 72nd floor towards the end of construction. "..., making it Western European’s tallest building." What does the underline word refer to?

Question

The Shard is an 8-7 storey skyscraper, which sits in the heart of London. It is known as the shard of glass. Construction began in 2009 and was completed three years later in 2012, making it Western European’s tallest building.

Designed by architect Renzo Piano, The Shard is the second tallest free standing structure in the UK. Its exterior boasts 11.000 glass panels – that’s equivalent in area to eight football pitches or two-and-a-half Trafaigar Squares

The building was developed to have multiple uses, describes on the website as a ‘vertical city where people can live, work and relax’. This motto was clearly taken on board that was found on the 72nd floor towards the end of construction.

"..., making it Western European’s tallest building." What does the underline word refer to?