Complex sentence: The aqueduct was commissioned in 1792 by Ferdinand III, Grand Duke of Tuscany and begun in 1793 to plans drawn by the architect Giuseppe Salvetti replacing an earlier aqueduct constructed in the 16th century by Ferdinand de' Medici.
Split into simpler sentences: The aqueduct was commissioned in 1792 by Ferdinand III, Grand Duke of Tuscany. Construction begun in 1793 to plans drawn by the architect Giuseppe Salvetti, replacing an earlier aqueduct constructed in the 16th century by Ferdinand de' Medici.