Palestinians in Gaza are confronting an apocalyptic landscape of devastation after more than 15 months of fighting between Israel and Hamas. Mounds of rubble stretch as far as the eye can see in the tiny coastal enclave where built-up refugee camps are interspersed between cities. Critics say Israel has waged a campaign of scorched earth to destroy the fabric of life in Gaza. Israel says its military has been fighting a complex battle in dense urban areas and that it tries to avoid causing undue harm to civilians.