The most serious is melanoma. Like all body tissues our skin is made up of cells: basal cells, squamous cells and melanocytes. Skin cancer types are named after the skin cell in which the cancer develops: basal cell carcinoma, squamous cell carcinoma and melanoma.
Pichilingue Harbour, La Paz, Baja California, Mexico. History. Although the city was officially founded in 1535, its area had been known by hunter and gatherer peoples since Neolithic times. Rock paintings and other artifacts dating as far back as 10,000 years ago attest to their presence in most regions of the Baja.
According to legend, the Aztec people left their home city of Aztlan nearly 1,000 years ago. Scholars do not know where Aztlan was, but according to ancient accounts one of these Aztec groups, known as the Mexica, founded Tenochtitlan tenochtitlÃ¡n in. 1325We know of human sacrifice at the top of the Templo Mayor, but it also was the scene of athletes and dancers moving gracefully in and around platforms and braziers,â writes University of Utah professor Antonio Serrato-Combe in his book The Aztec Templo Mayor: A Visualization. (The University of Utah Press, 2001).