Falles de Durro Activity · la Vall de Boí, Alta Ribagorça, Lleida Descent of the Durro fire falles, the first of those celebrated in the Vall de Boí, part of the Intangible Cultural Heritage of Humanity of the summer solstice fire festivals in the Pyrenees. It is celebrated in connection with the feast of Sant Quirc, patron saint of the village. juny Photo: LeoPérezLuis (CC BY-SA 4.0) What to see and do in la Vall de Boí