https://joy.videvo.net/videvo_files/video/free/2019-04/large_watermarked/190319_04_ClimateChange_004_preview.mp4 UK Police Officers in a Row Police force standing in a line at a protest in London, UK. activismactivistbannerchangedemonstrationEnglandgloballaw enforcementmarchofficerofficerspolicepolicemanpolicewomanpoliticsprotestprotesterprotestingrallyuk