Complex sentence: During a visit to an ancient temple, Linnet narrowly avoids being crushed by a falling rock, and although suspicion naturally falls on Jacqueline she is discovered to have been about the "Karnak" when the rock was dropped.
Split into simpler sentences: During a visit to an ancient temple, Linnet narrowly avoids being crushed by a falling rock. Suspicion naturally falls on Jacqueline, but it is revealed that she was aboard the "Karnak" when the rock was dropped.