Original sentence: Contrary to theories advocated by writers like Graham Hancock, according to Buxton the great rock-hewn churches of Lalibela were not built with the help of the Knights Templar; asserting abundant evidence exists to show that they were produced solely by medieval Ethiopian civilization
Edited sentence: Contrary to theories advocated by imaginative writers like Graham Hancock, according to Buxton the great rock-hewn churches of Lalibela were not built with the help of the Knights Templar; asserting abundant evidence exists to show that they were produced solely by medieval Ethiopian civilization