 Great Green Wall initiative: Nigeria dey carry last 30 January 2018 Wia dis foto come from, SEYLLOU DIALLOAFPGetty Images Wetin we call dis foto, Senegal na one of di countries wey dey part of di Great Green Wall project - di na acacia tree E go change lives and make things better for everybodi as climate matter like desertification dey change things. 