CultureLondon open garden squares weekendTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoCulture06/20/2017June 20, 2017Once a year, visitors get a chance to discover and explore dozens of secret, private and little-known gardens in London, gaining a glimpse of some beautiful green oases.https://p.dw.com/p/2extVAdvertisement