One of the traditional strengths of photography has been its realism or truth value. In photojournalism this has been interpreted in terms of depicting events and giving us information. Though this documentary style of photography has been deeply questioned by art photographers since the 1980s its value can be seen when we look at images from the Gaza Strip:
This picture by Zoriah is an apartment complex on Rafah, Gaza that is riddled with bullet holes from Israeli fire. Thanks to this picture we can now see why the civilian causalities amongst the Palestinian people has been so high. More here.