Complex sentence: Thong sandals have been worn for thousands of years, dating back to pictures of them in ancient Egyptian murals from 4,000 B.C. One pair found in Europe was made of papyrus leaves and dated to be approximately 1,500 years old.
Split into simpler sentences: Thong sandals have been worn for thousands of years, dating back to pictures of them in ancient Egyptian murals from 4,000 BCE. A pair found in Europe was made of papyrus leaves and dated to be approximately 1,500 years old.