Grutas de Cacahuamilpa (painting by Baron Gros)

Cacahuamilpa's Grottos ("Grutas de Cacahuamilpa" in Spanish) is an oil painting finished in 1835 by Jean-Baptiste Louis Gros, after his second visit to the caves in Grutas de Cacahuamilpa National Park, in Guerrero, Mexico. It is now in the Museo Soumaya, Mexico City.
Features.
The picture, in a naturalist style, shows a group using the rocks as a table. The chiaroscuro arises from the lights of the expeditioners, giving a Romantic feeling.