the cluster of white dots shows a sprawling tent city on the border with thousands of refugees stung there. beckry anderson is there. she is on the tunisian side, is that right reporter: that s right. we are three miles down from the border at exactly what you have been looking at on that satellite image. as far as the eye can see behind me, a sea of tents, an emergency tented camp, set up by the u.n. there are about 20,000 refugees on this side of the libyan border, and the majority of those today here at the tent are bangladeshis. more than 40,000 egyptians who have been served through this tented accommodation and thankfully for them have been evacuated out of the airport about 100 miles away from here, so today what the u.n. are focusing on is the plight of 10,000 bangladeshis, and their