Brockwell Park
From Tardis Wiki, the free Doctor Who reference
Brockwell Park was a park near Dulwich in south London.
In 2001, the Eighth Doctor fought a monster there which had emerged from the underground river Effra that surfaced in the park. (COMIC: The Fallen) In the early 21st century, the Twelfth Doctor went to the park's playground to talk with the leaders of Zygon High Command, who had taken the form of little girls. (TV: The Zygon Invasion)