Dear tèrr'adventurers, your timing couldn't be better! A delegation from New York is about to visit us. Their visit is part of a tradition that began at the end of the 18th century with the stay in Léognan of the 3rd President of the United States, Thomas Jefferson. Here we go! Download the application, it is free and easy to use. QR codes are hidden in the countryside. The aim? Discover their locations and the treasures they generate! In the caches of Tèrra Aventura live the Poï'z, small characters with strong characters, to be flushed out thanks to the QR codes to be flashed at the end of the courses.