Show uncover work of da vinci tho the oldest conal lock lit in france built by Leor leonardo lardo da vinet under tho reign of 0 francois 1 it I in the sixteenth century lias fins just juat been rediscovered near Vier vierzon zon da vencl who boasted that he fie was avns tie as grent nn an engineer na as lie ho was pa painter int constructed construct od tho the lock because tile iziver loire lacked water for tile boats with avith their cargoes of salt that cattle lip III froin nantes in tho the coulst of ef tile lock aisup kenred und oven even its ita exact situation mia forgotten for Kotten but tho old foundations planned lilann rd ly by the painter of mona lisit nave just been unearthed |