Large parts of SE Asia （e g 35% of Thailand,63% of the Philippines and 75% of Vietnam） are classified as hilly and mountainous.
Large parts of SE Asia （e g 35% of Thailand,63% of the Philippines and 75% of Vietnam） are classified as hilly and mountainous.
东南亚的相当大部分属于丘陵山区（例如泰国占35%，菲律宾占63%，越南占75%）。