I found the worst place in Africa, Liberia between Tchien and Tapeta
I found the spot on Bing maps, that explains it
There is another stretch in Liberia where it gets that bad, found it, near Konima
Far more often you get cloud shaped ‘holes’ in the terrain with the default farm land texture. Good to recognize the clouds and remove them from the sat images, yet the replacement texture stands out like a sore thumb. A clone brush would do a better job.
Africa is patchy, some places are awesome and better than Google, some other places make your eyes bleed. I also wonder how old some of the data is, for example there is not a trace on Bing maps for Centrale Solaire Noor 3 Ouarzazate, Morocco apart from the road system on top of empty desert
On Bing
Construction began in May 2013