At the turn of the 20th century a brilliant Russian writer, Dmitri Merejkowski, wrote this novel, "The Romance of Leonardo Da Vinci," a profound meditation on art and religion. Merejkowski portrays Leonardo as a man of many facets, some of which may be grouped as pagan, some of which are Christian. As a result, Leonardo was filled with conflict and doubts. Striving for the unattainable, he almost never completes a work. Always dissatisfied with what he has done, the artist suffers a characteristically modern "anxiety.
This handsomely illustrated book offers a panoramic view of ancient Mexico, beginning more than thirty thousand years ago and ending with European occupation in the sixteenth century. Drawing on archaeological and ethnohistorical sources, the book is one of the first to offer a unified vision of Mexico's precolonial past. Typical histories of Mexico focus on the prosperity and accomplishments of Mesoamerica, located in the southern half of Mexico, due to the wealth of records about the glorious past of this region. Mesoamerica was only one of three cultural superareas of ancient Mexico, however, all interlinked by complex economic and social relationships. Tracing the large social transformations that took place from the earliest hunter-gatherer times to the Postclassic states, the authors describe the ties between the three superareas of ancient Mexico, which stretched from present-day Costa Rica to what is now the southwestern United States. According to the authors, these superareas–Mesoamerica, Aridamerica, and Oasisamerica–cannot be viewed as independent entities. Instead, they must be considered as a whole to understand the complex reality of Mexico's past and possible visions of Mexico's future.
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Water is an important natural resource which forms the core of the ecological system. Human use of water depends on ambient water quality and human alterations of the landuse have an extensive influence on water quality. Water is typically referred to as polluted when its quality is adversely affected by contaminants and undergoes a marked shift in its capability to support the biological communities. The book is written for research scholars, hydrologists and environmentalists and especially students.
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