In an empty lot next to the O2 arena stands this peculiar sight. The upside-down pylon stands 35 metres tall and was originally installed as part of the London Design Festival in 2015. Its placement provides a perfect spot for those traveling by to ponder its existence—whether it be from the Docklands Light Railway, boat, cable car, or plane. The sculptor, Alex Chinneck, has a penchant for turning the ordinary somewhat extraordinary. His other works include a slumping façade on a house in Margate, an upside-down building in Blackfriars, and…