FIGURE 10.31 Mainland Southeast Asia: The Vietnam, Laos, and Cambodia subregion. 10.31a Courtesy Ron Watts/First Light/Getty Images, 10.31b Courtesy Pascal Deloche/Photononstop/Getty Images, 10.31c Courtesy Christopher Groenhout/Lonely Planet Images/Getty Images, 10.31d Courtesy Neil Massey/Photonica World/Getty Images