"I entered this house when I was 16 years old," says 64-year-old Dalal, a Palestinian resident of the West Bank's Nur Shams camp near the city of Tulkarem, while watching an Israeli excavator demolishing her house. Since January 21, the Israeli military has been conducting a major operation in the triangle of Jenin, Tubas and Tulkarem, where half a million Palestinians live. IMAGES AND SOUNDBITES