Complex sentence: Work crews continue to remove debris and demolish unrepairable houses daily, but hundreds if not thousands are vacant and gutted, and many more buildings are still little touched since the waters were drained, with ruined possessions still inside severely damaged buildings.
Split into simpler sentences: Work crews continue to remove debris and demolish unrepairable houses daily, but hundreds if not thousands are vacant and gutted. Many more buildings are still little touched since the waters were drained, with ruined possessions still inside severely damaged buildings.