Underground world in Guantánamo province.Guantanamo.- Guantanamo Province has many wonders of nature lesser known. On occasion of the Day of the Caves and the Underground World, it is an opportunity to learn about caves in parks and also to protect and conserve these geosystems that provide countless services to nature and society.

The Caves and the Underground World Day celebrates their importance, geology, history, biology, current research, exploration, and restoration as well as the legacy of underground pioneers worldwide.

Photos:  Zadiérick Hernández Ortega