Monumento Legua Cero Curiosity · Sanlúcar de Barrameda, Costa Noroeste, Cádiz A Corten-steel equatorial sundial three meters in diameter, the work of Alfonso Sáez Aguiar, unveiled at the autumn equinox of 2011 on the Bajo de Guía promenade to commemorate the starting point of the first circumnavigation of the globe by the Magellan-Elcano expedition. Inaugurado en el equinoccio de otoño de 2011 Photo: Armando-Martin (CC BY-SA 3.0) What to see and do in Sanlúcar de Barrameda