Complex sentence: After the meeting, Pope Francis circled the university in the "popemobile" and then met with about 24,000 youth representatives gathered at the University of Santo Tomas Field near the Grandstand.
Split into simpler sentences: After the meeting, Pope Francis rode the "popemobile", circled around the university, and later met with at least thousands of youth who gathered at the university. About 24,000 youth representatives gathered at the University of Santo Tomas Field near the Grandstand.