The week's best picture galleries: Beautiful photos of isolated tribe in remote Amazon rainforest, with mining companies edging closerLove among the ruins: Joyous scenes at Raqqa's first wedding celebration since liberation from IsisLast days of the Caliphate: Isis on the run in Iraq and SyriaKenya's political and ethnic tensions set to escalate as Odinga calls for more protestsSwastikas, SS insignia and Nazi salutes: White Lives Matter rallies in TennesseeMagnum sale: Signed prints of iconic photos at rock bottom prices for five days onlyArt on a Postcard Secret Auction 2017: Can you spot the ones by world-renowned artists?Day of the Dead 2017 photos: Catrinas, earthquake memorials, voodoo rites and drunken horse raceRussian Revolution 100th anniversary: Lenin's legacy lingers across the former Soviet UnionWild India: Axel Gomille photographs the subcontinent's extraordinary wildlife in stunning new book