https://joy.videvo.net/videvo_files/video/free/2019-04/large_watermarked/190319_04_ClimateChange_005_preview.mp4 Police Presence At Protest Police presence at a climate change protest in London, UK. activismactivistbannerchangecoll_our_world_under_pressuredemonstrationEnglandgloballawenforcementmarchofficerofficerspolicepolicemanpolicewomanpoliticsprotestprotesterprotestingrallyuk