The great mysteries of history, publishing books, art gallery, painting gallery, gallery pictures, ebooks, books, Spanish books, buy books, publishing a book, digital books. Want to publish your book and it has a professional finish? For a single price, correct (orthotypography style), layout and design your work, plus 10 copies with shipping included for only € 510. You and your work will go out winning. + Info click here. The most exciting mysteries explained from different theories, with all the rigor and prestige of the History Channel. From the pyramids to the Holy Grail, the Titanic, the existence of El Dorado or contacts with aliens. These pages provide an objective and complete the most fascinating enigmas that have arisen over the issue of the enigmas siglos. La always raises the fascinating history of all types of audiences, and the History Channel already has a very public true thanks to the quality and rigor of his great stories. The book offers different perspectives from which to address such interesting topics as the Ark of Noah or the connection between the Nazis and the occult. GEOGRAPHICAL ANALYSIS AND USE OF THE INFORMATION USED TO STUDY THE EVOLUTION OF THE SPANISH POPULATION DURING THE XX CENTURY. .