Complex sentence: In 1616, she also created west of the Tuileries Gardens, along the Seine, another reminder of Florence, the "Cours la Reine", a long promenade, lined with eighteen hundred elm trees.
Split into simpler sentences: In 1616, she also created the Cours la Reine west of the Tuileries Gardens along the Seine. It was another reminder of Florence, a long promenade lined with eighteen hundred elm trees.