It is believed that one of the functions of a great kiva in Pueblo Bonito was for ceremonial functions for men and boys.
There are dozens of kivas like this one at Pueblo Bonito which were constructed over many centuries by many generations of the ancient Pueblo people.
Great Kiva, Pueblo Bonito, Chaco Culture National Historic Park, New Mexico, USAChaco Culture National Historic Park, New Mexico, USA
Technical Information:
I photographed this photo with the digital SLR camera model Canon EOS-1Ds Mark III, aperture of f/22.0, exposure time of 1/40 sec. on ISO 100, as always I used a original Canon Lens, the focus lenght for this picture was 14mm.