International donors have pledged about $5.5bn to help rebuild Gaza.<br /><br />The announcement was made during a conference in the Egyptian capital, Cairo.<br /><br />Much of the strip was destroyed after 50 days of bombing by Israel, starting in July.<br /><br />From Gaza, Al Jazeera's Imtiaz Tyab reports.<br />Subscribe to our channel http://bit.ly/AJSubscribe Follow us on Twitter https://twitter.com/AJEnglish Find us on Facebook https://www.facebook.com/aljazeera Check our website http://www.aljazeera.com/