

A Palestinian smuggler climbs down into a tunnel, temporarily closed by Hamas forces, beneath the Egyptian-Gaza border in Rafah in the southern Gaza Strip April 14, 2010. Israel wants to close down the smuggling tunnels between Egypt and the Gaza Strip, but the tunnelers have become so good it's now possible to drive a car through them, literally. Ibraheem Abu Mustafa/Reuters
A view of the smuggling tunnels area along Egypt Gaza border is seen from Rafah, southern Gaza Strip, Monday, Aug. 6, 2012. Hamas has shut down tunnel operations after a deadly attack on Egyptian soldiers to avoid any infiltrations from Egypt to Gaza. Suspected Islamists attacked an Egyptian military checkpoint on Sunday, Aug. 5, 2012, killing 16 Egyptian soldiers before stealing two of their vehicles and bursting through a security fence into Israel. Hatem Moussa/AP
In this Nov. 14, 2008 file photo, a Palestinian smuggler moves a goat through a tunnel from Egypt to the Gaza Strip under the border in Rafah, southern Gaza Strip. Khalil Hamra/AP
Palestinian Hamas border officers stand near the Egyptian-Gaza border during a protest against Egyptian policy on the smuggling tunnels in Rafah, southern Gaza Strip, Sept. 15, 2012. Hatem Moussa/AP
Men in a truck transport carpets covered in plastic which will be smuggled through tunnels on Egypt's border with the Gaza strip, in Rafah, Egypt February 23, 2010. Asmaa Waguih/Reuters
Palestinians work near smuggling tunnels along the border with Egypt in Rafah, southern Gaza Strip, Sept. 30, 2012. Hatem Moussa/AP
A Palestinian smuggles goods through a tunnel beneath the Egyptian-Gaza border in Rafah, in the southern Gaza Strip September 17, 2012. Egypt's crackdown on smuggling tunnels along its border with the Gaza Strip is making shortages ever tighter and has forced the enclave's Islamist Hamas rulers to consider urgent alternatives. Ibraheem Abu Mustafa /Reuters
Packaged concrete is sorted at the Elkayam concrete factory in the Gaza Strip on Wednesday, September 28, 2011. The factory receives part of its materials from Israel for international programs and the majority of materials are smuggled in through tunnels at the Egyptian border. Ann Hermes/Staff
Palestinian smugglers bring sheep through a smuggling tunnel from Egypt to the Gaza Strip in the Rafah refugee camp, southern Gaza Strip, Nov. 13, 2010. Eyad Baba/AP
In this Thursday, file photo, a Palestinian smuggler moves refrigerators through a tunnel from Egypt to the Gaza Strip under the border in Rafah, southern Gaza Strip, Oct. 28, 2010. Eyad Baba/AP
A Palestinian smuggler climbs from a tunnel as a hose is seen that is used to bring fuel from Egypt to Gaza, next to the border in the Rafah refugee camp, southern Gaza Strip, Monday, Nov. 17, 2008. Khalil Hamra/AP
Palestinians check the damage at a site that was hit by an Israeli airstrike in Maghazi refugee camp, central Gaza Strip, Sunday, Nov. 22, 2009. Khalil Hamra/AP
An Israeli soldier stands next to the shaft of a 8-meter-deep tunnel discovered earlier Wednesday Jan. 19, 2005 in the Rafah refugee, southern Gaza Strip near the border with Egypt. Oded Balilty/AP
Smoke rises as the Israeli army blows up a house on the outskirts of the southern Gaza Strip town of Rafah January 5, 2004. According to the Israeli army a tunnel used to smuggle weapons from nearby Egypt was found in the building. David Blumenfeld/Reuters
Israeli soldiers watch from their armoured personnel carrier as they blow-up a Palestinian smuggling tunnel under a destroyed home November 18, 2003 in the Rafah refugee camp in the Gaza Strip. Gil Cohen Magen/Reuters