The ancient Mayans used the sinkholes in the Yucatán Peninsula as .?

The ancient Mayans used the sinkholes, known as "cenotes," primarily as freshwater sources and for ritual purposes. These natural wells provided essential water in the region's limestone terrain, which had limited surface water. Additionally, cenotes were often considered sacred, serving as sites for religious ceremonies and offerings to their gods. Some cenotes even contained artifacts and human remains, highlighting their cultural and spiritual significance.