Israeli Prime Minister Benjamin Netanyahu says IDF soldiers will soon shift the focus of their offensive to Rafah, a city close to the southern border with Egypt where more than half of Gaza's population of 2.2 million has fled. CNN's Katie Polglase examines satellite images, which help to show the scale of the situation on the ground -- from destroyed refugee camps in Khan Younis to the growing number of people in Rafah. #cnn #news #gaza #rafah #khanyounis #satelliteimages