Complex sentence: In 1826, Louis Comte had to leave the Passage des Panoramas for security reasons, he then commisionned the architects Allard and Brunneton the construction of a new hall in the Choiseul area being redeveloped at that time.
Split into simpler sentences: In 1826, Louis Comte had to leave the passage des Panoramas for security reasons. He then commissioned the architects Allard and Brunneton the construction of a new hall in the Choiseul area being redeveloped at that time.