Тюен,	Паровоз	№ 1	—  1-A.4833-14849-4268-A.8168
Двухосный прицепной Baume & Marpent		№ A.4833	—  1-A.4833-14849-4268-A.8168
Двухосный прицепной Baume & Marpent		№ 14849	—  1-A.4833-14849-4268-A.8168
Двухосный грузовой прицеп		№ 4268	—  1-A.4833-14849-4268-A.8168
Двухосный прицепной Franco-Belge		№ A.8168	—  1-A.4833-14849-4268-A.8168

This type of locomotive never served in Belgium but did cross the border (from France), running freight trains. So the picture is not as imaginative as it seems, especially as the place of shooting is not that far from France.