https://c8.alamy.com/comp/2A4MWA7/extinction-rebellion-activists-defied-a-london-wide-ban-on-public-protests-this-morning-to-close-off-millbank-outside-the-offices-of-mi5-protesting-about-the-lack-of-food-security-possible-if-climate-change-isnt-averted-they-parked-a-caravan-in-the-road-and-staged-a-sit-in-with-singing-and-picnics-police-made-numerous-arrests-2A4MWA7.jpg