so the purpose of that was really to track a tigress and her two cubs, and their quest for survival.i went back over a three year period, to first identify where i could get an elephant, where i could find tigers, then to actually go film the tigress in her first litter, and then come back for the second litter. usually it takes a tigress two years to raise her cubs before she releases them to find their own territory. >> although carol collaborated with other filmmakers once she got to india, she initiated the adventure, and this exhibit, on her own. >> i went as a woman alone exploring. you don't bring a large film crew into the jungle. you go there and be as quiet as possible, and find a way to tell the story. >> bengal tigers are only found in asia. >> in her film, carol explains the techniques she used to locate these beautiful animals. >> the "twenty ways to track a tiger" is the heart and the foundation of the expedition, and also the exhibition here. >> finding the tigers is the hardest part of the experience because they're solo, they're elusive, they are not easy to find. n

parts of this city on the nile are starting to look like the city on the tigress, baghdad. this was the headquarters of the president's political party. until recently, it was one of the most secured buildings in cairo. it is now being burned and picked apart by looters. the fires in cairo still smolder today, dangerously close to the egyptian museum, home to the treasures of the ancient pharaohs, including tuten calmen's gold. by midafternoon, the protests started to grow. with police gone, only the army was in the streets in tanks, but tanks aren't built to hold back crowds. they can only do one thing -- fire. but the big guns have so far remained silent. the egyptian army has been overwhelmed by the demonstrators. now the soldiers face a very difficult choice. they can either open fire on the protestors or just allow themselves to be surrounded. the government ordered a new curfew, but no one listened. instead, in cairo's main tahrir square, what looked like 100,000 people called for president hosni mubarak to leave the country immediately. >> change makes room for other