Complex sentence: During the seasons from 1924-25 to 1930-31, a team of researchers collected a wide variety of remains of ancient domestic animals which had been buried since three thousand years BC from a cite in Harrapa, India.
Split into simpler sentences: During the seasons from 1924-25 to 1930-31, a team of researchers collected a wide variety of ancient domestic animal remains. The remains had been buried since three thousand years BC. The excavation site was in Harrapa, India.