Dig toilets

 

The phrase "Dig Toilet Not Graves" shows that they don't have much toilets and we can infer that they're living in poverty. We can also see in the background that there is a quite poor-looking house. We can also see the child on the picture shows that he's one of the people suffering with poverty and it would also be a good idea to put a child on an advertise for donation as people would feel sympathy for the child