Complex sentence: A broad stairway descended to the tomb from the main plaza, the tomb itself was painted red and the floor was scattered with the remains of more than 100 ceramic vessels that has been crushed when the roof of the tomb collapsed.
Split into simpler sentences: A broad stairway descended to the tomb from the main plaza. The tomb itself was painted red and the floor was scattered with the remains of more than 100 ceramic vessels that has been crushed when the roof of the tomb collapsed.