that irrigate of surface in the Yaqui and Mayo Valleys, being one of the most important hydraulic infrastructures in the country. During the last two decades this hydraulic work has become one of the main and most visited tourist destinations in our region. Huivulai Island Huivulai Island is located south of Ciudad Obregón and off the Sonora coast in the Gulf of California (Sea of Cortez). In Mayo, Huivulai means "long neck". The island is long and wide at its widest part. The island features many natural attractions including sand dunes used by four-wheel drive vehicles. The island has a water well oasis surrounded by date trees that attract many species of birds, including gray and white pelicans, corvetta, gray crested cranes, storks, and albatrosses. The island is ringed by beaches and features fishing opportunities off-shore. Festivals and cultural programs Tetabiakte Art and Culture Festival This festival of art and culture takes place in November to celebrate the anniversary of the founding of the municipality of Cajeme with the support of the Institute of Municipal Culture and the National Council for Culture and the Arts ([CONACULTA]). This festival offers music, painting, film, poetry, book presentations and shows the culture and traditions of the Yaqui ethnic group. ITSON Arts Festival The Festival, promoted by the Instituto Tecnológico de Sonora through the Directorate of Extension of Culture and Services and is held annually in October. The Festival is a member of the National Network of Festivals of the National Council for Culture and the Arts (CONACULTA). The program serves audiences of higher middle education, university and the community at large, through an artistic program representative of our cultural diversity, with national quality groups, with presentations in university forums, public spaces and theatres, with close access to the commun Ars Vocalis México Ars Vocalis México is an international festival and academy dedicated to vocal art that in 2015 is hosted by Ciudad Obregón. This festival, founded by the tenor and cultural promoter Carlos Zapién, has a pedagogical program thanks to which young Mexican singers, previously selected through an audition process, have the opportunity to participate in classes lectures given by renowned figures in the operatic world of Europe and the United States, as well as being able to work with coaches from various opera houses and educational institutions. Students also have the opportunity to work on the German vocal repertoire (Lied), ancient and