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The insidious creep of pseudo-public space in London

Pseudo-public space โ€“ squares and parks that seem public but are actually owned by corporations โ€“ has quietly spread across cities worldwide. As the Guardian maps its full extent in London for the first time, Jack Shenker reports on a new culture of secrecy and control, where private security guards can remove you for protesting, taking photos โ€ฆ or just looking scruffy.