This 7-day intensive course in eco-construction and natural building runs from July 25 to 31, 2026, daily from 8:30 to 17:30, with dinner at 20:00. Held at Aldeia Do Vale Projecto Agroecologico between Sintra and Mafra, the course covers sustainable techniques such as Cob, Adobe, taipa, wood, tabique, and plaster. The investment is 300€, and it is suitable for both beginners and professionals seeking practical skills in sustainable construction.