 Also under his administration, the Plaza de Toros de Acho, the world's third oldest surviving bull ring, was built by Agustin de Landaburu.It was the first bull ring in Peru, and opened with a corrida and a great celebration on February 22, 1762.Tradition says the Paseo de Aguas was built in honor of Amat's mistress, the actress Micaela Villegas, better known as "La Perricholi", a Mestiza woman.