The landscape is arid with reddish-brown soil, suggesting a dry environment. The people's attire and the general infrastructure point towards East Africa. The billboard structure is common in developing regions. I suspect this is in Kenya, likely in the outskirts of Nairobi. I am somewhat sure about this region.

then: forward

The road is unpaved and dusty, consistent with rural or peri-urban areas in East Africa. The vehicle is driving on the left side, which aligns with Kenyan traffic laws. The overcast sky and the general vegetation are typical of the Kenyan highlands near Nairobi. I am fairly confident this is in the outskirts of Nairobi, Kenya.

then: guess