Complex sentence: Due to good construction techniques, the school suffered little damage (only a crack in the parts built under Harry's watchful eyes), the computer lab which was built around 2008 above the school's auditorium, by Haitian's went down to dust.
Split into simpler sentences: Due to good construction techniques, the school suffered little damage (only a crack in the parts built under Harry's watchful eyes). The computer lab, which was built around 2008 above the school's auditorium, by Haitians, went down to dust.