The second phase, in six books, covered the history from 1264 until his own time, all the way up to 1346.
This $24 million phase covers 3 million cubic yards of sand.
The first phase covers the smallest geographic area, but the largest population.
The last phase covers the 19th and early 20th centuries, when the final details were finished.
The four phases of the project cover different geographic regions.
The most recent phase of enforcement covers hotels opened since Jan. 26, 1993.
The final phase covered Building C, burying it within its adobe core.
A second phase, known as the Mexican cycle, covered the first half of the 18th century.
The interim phase began in July, and covers only modifications to voting systems.
The first phase of the project will cover the 36 state capitals, before being extended to government buildings.
