Palestinians wait to enter Gaza from Egypt through the Rafah border crossing, in the southern Gaza Strip, April 19, 2009. The Rafah crossing opened for two days on Saturday for Palestinians with humanitarian causes, a Palestinian border official said. (Xinhua/Wissam Nassar)

A Palestinian man waits to enter Gaza from Egypt through the Rafah border crossing, in the southern Gaza Strip, April 19, 2009. (Xinhua/Wissam Nassar)