Complex sentence: Farming is also likely to have started to develop during the Neolithic period, with flint artefacts and burnt grain being found at Tatton dating to 2600BC and remains of a timber long house recovered near at Oversley Farm during the building of Manchester Airports second runway.
Split into simpler sentences: Farming is also likely to have started to develop during the Neolithic period, with flint artefacts and burnt grain being found at Tatton dating to 2600BC, and the Oversley Farm find. Remains of a timber long house were found near at Oversley Farm during the building of Manchester Airport's second runway.