Complex sentence: Calles is reported to have looked down upon a throng of 40,000 which lined Pro's funeral procession and another 20,000 waited at the cemetery where he was buried without a priest present, his father saying the final words.
Split into simpler sentences: Calles is reported to have looked down upon a throng of 40,000 which lined Pro's funeral procession. Another 20,000 waited at the cemetery where he was buried without a priest present, his father saying the final words.