The Courel Mountains UNESCO global geopark: An amazing geological history extended along 600 million years - Pérez-Cáceres I; Ballesteros D; Caldevilla P; Diez JB; Barros XC; Vila R; Catalán JRM; Martín-González F; Gutiérrez-Marco JC; García-Ávila M; Fuertes-Fuente M; Sánchez ST; et al. (The Environment In Galicia: A Book Of Images: Galician Environment Through Images, 2023)