A Palestinian man waiting to cross into Egypt at the Rafah border crossing between Egypt and the southern Gaza Strip on December 08, 2013. Egyptian authorities partially opened the Rafah crossing, Gaza's main window to the world, for three days, border officials said. Since July, the authorities have kept the crossing largely closed, only opening it partially for humanitarian purposes. Photo by Abed Rahim Khatib / Flash90

A Palestinian woman waiting to cross into Egypt at the Rafah border crossing between Egypt and the southern Gaza Strip on December 08, 2013. Egyptian authorities partially opened the Rafah crossing, Gaza's main window to the world, for three days, border officials said. Since July, the authorities have kept the crossing largely closed, only opening it partially for humanitarian purposes. Photo by Abed Rahim Khatib / Flash90

A Palestinian bus carrying the luggage of passengers who were allowed to enter into Egypt at the Rafah border crossing between Egypt and the southern Gaza Strip on December 08, 2013. Egyptian authorities partially opened the Rafah crossing, Gaza's main window to the world, for three days, border officials said. Since July, the authorities have kept the crossing largely closed, only opening it partially for humanitarian purposes. Photo by Abed Rahim Khatib/ Flash90