Complex sentence: In 1945 the allied bombs devastated the cathedral, but the rosebush survived; the plant's parts above the ground were damaged but the roots remained intact under the remains, and shortly the durable rose grew once again.
Split into simpler sentences: In 1945 the allied bombs devastated the cathedral, but the rosebush survived. The plant's parts above the ground were damaged but the roots remained intact under the remains, and shortly the durable rose grew once again.