The great popular attraction, situated in the southern arm of the transept, approached through the Portail de l'Horloge, is the 19th-century astronomical clock with its elaborate mechanical figures that appear with chimes at 12:30pm.
The astronomical clock is a popular attraction that displays mechanical figures at 12:30.
mnli hypothesis: The astronomical clock is a popular attraction that displays mechanical figures at 12:30. premise: The great popular attraction, situated in the southern arm of the transept, approached through the Portail de l'Horloge, is the 19th-century astronomical clock with its elaborate mechanical figures that appear with chimes at 12:30pm.