in november, iraqi forces retook nimrud.s video like this that set the stage for this week's summit in abu dhabi, where today, representatives from 40 countries approved plans to establish a fund to protect heritage sites in war zones. french president francois hollande said participating countries would give as much as $100 million to the fund based in geneva. "what we have to do here," he said "and what he will succeed in doing is building a protection to ensure a future nor'easter precious possessions of humanity because it's already late." nimrud is among dozens of sites destroyed by the islamic state, including want ancient city of palmyra in syria. officials say the fund will help protect endangered sites and artifacts, combat the trafficking of stolen artifacts, and restore damaged property. in nimrud, archaeologists have only just begun assessing the toll of war. they say as much as 70% of the ancient site was destroyed. jonathan vigliotti, cbs news, london. >> ninan: the "cbs weekend news" continues in a moment. >>