Lao cambodia border mekong river, around 4000 islands, laos. cambodia laos border is very close to each other. There is just across the Mekong River. girl watching the scenery. passport at the border is shown. limit the tourists passing by boat. var.s?n?r people floating on the border of the first to pass the money you need to pay the visa. Laos people are very sweet. Cambodia and Laos are very poor countries. tourism is very important. tourists love going to the islands in Cambodia. Asian countries are fond of backpackers. because the country is very cheap.