Anddes participated in the Argentina Gold and Silver Seminar and the Mining Engineering and Construction Seminar, held on November 27 and 28 in the city of Buenos Aires. Silverio Prota and Eduardo Álvarez, General Manager and Engineering Manager of Anddes Argentina SA, were present, respectively and Denys Parra, General Manager of Anddes Asociados SAC, who presented the conference “Leach Stacks Design in Aggressive Land”.