Discovery of the Yangtze River Civilization in China.- Decline of the Yangtze River Civilization.- Comparative Study of the Artifacts of Phum Snay Site and the Wat Bo Temples\'s Pottery Collection Database.- Survey and Excavation of Phum Snay in 2007-2010.- Non-Ceramic Grave Goods from Phum Snay in the Context of Sociopolitical Development in Northwest Cambodia.- Human Skeletons Excavated from Phum Snay.- Zooarchaeology at Phum Snay, a Prehistoric Cemetery in Northwestern Cambodia.- Chemical Composition and Lead Isotope Ratios of Bronze Artifacts Excavated in Cambodia and Thailand.- Phum Snay and Its Significance in World History.- Climate Deterioration and Angkor\'s Demise.- Vegetation Change in the Area of Angkor Thom based on Pollen Analysis of Moat Deposits.- Palaeoenvironment of the Areas Surrounding the Angkor Thom Moat Inferred from Entomological Analysis.- Reconstruction of an 8000-year Environmental History on Pollen Records from Lake Buyan, Central Bali.- Great East Asian Fertile Triangle. Central Bali.- Great East Asian Fertile Triangle.