Vietnam, Northern Vietnam, Halong Bay. The pink sunset afterglow at dusk over Cat Ba harbour on Cat Ba Island.

Vietnam, Northern Vietnam, Halong Bay. The pink sunset afterglow at dusk over Cat Ba harbour on Cat Ba Island.

Vietnam, Northern Vietnam, Halong Bay. Fishermen prepare and cook meals on their boats at Cat Ba harbour on Cat Ba Island.

Vietnam, Northern Vietnam, Halong Bay. Rock formations of the coastline near Cat Ba town on Cat Ba island in Halong Bay.

Vietnam, Northern Vietnam, Sapa. Cat Cat Falls, a waterfall in Cat Cat village near Sapa.

Vietnam, Northern Vietnam, Sapa. Cat Cat Falls, a waterfall in Cat Cat village near Sapa.

Vietnam, Northern Vietnam, Sapa. Cat Cat Falls, a waterfall in Cat Cat village near Sapa.

Vietnam, Northern Vietnam, Sapa. Cat Cat Falls, a waterfall in Cat Cat village near Sapa.

Vietnam, Northern Vietnam, Sapa. Cat Cat Falls, a waterfall in Cat Cat village near Sapa.

Vietnam, Northern Vietnam, Sapa. Cat Cat Falls, a waterfall in Cat Cat village near Sapa.

Vietnam, Northern Vietnam, Sapa. Scaffolding manufactured from local timber, at a building site in Sapa.

Vietnam, Northern Vietnam, Sapa. Scaffolding manufactured from local timber, at a building site in Sapa.

Vietnam, Northern Vietnam, Sapa. Local hill tribe women, complete with baskets and children on their backs, haggle with tourists as they try to secure a sale.

Laos, Ban Na Hin. Typical native trees and vegetation in woodland in the jungle near Ban Na Hin in Laos.

Laos, Ban Na Hin. Typical native trees and vegetation in woodland in the jungle near Ban Na Hin in Laos.

Laos, Ban Na Hin. Typical native trees and vegetation in woodland in the jungle near Ban Na Hin in Laos.

Laos, Ban Na Hin. Typical native trees and vegetation in woodland in the jungle near Ban Na Hin in Laos.

Laos, Ban Na Hin, Waterfall. Downstream of a waterfall as it cascades through native jungle and bush.

Laos, Ban Na Hin, Waterfall. Shafts of light pass through vegetation hanging to the rock face near a waterfall.

Laos, Si Phan Don (Four Thousand Islands), Don Khon. Water Buffalo return to a sandy beach after a dip and drink in the Mekong River.

Laos, Si Phan Don (Four Thousand Islands), Don Khon. Female tourist on a hired bicycle on a sandy beach on the island of Don Knon.

Laos, Si Phan Don (Four Thousand Islands), Don Khon. Female tourist on a hired bicycle on a sandy beach on the island of Don Knon.

Cambodia, Siem Reap. Tut tut driver on a congested road in downtown Siem Reap near Angkor.

Cambodia, Angkor Thom, Bayon. Massive stone faces watch your every move at Bayon, a well-known and richly decorated Khmer temple at Angkor in Cambodia.

Cambodia, Angkor Thom, Bayon. Massive stone faces watch your every move at Bayon, a well-known and richly decorated Khmer temple at Angkor in Cambodia.

Cambodia, Angkor Thom, Bayon. Massive stone faces watch your every move at Bayon, a well-known and richly decorated Khmer temple at Angkor in Cambodia.

Cambodia, Angkor Thom, Bayon. Massive stone faces watch your every move at Bayon, a well-known and richly decorated Khmer temple at Angkor in Cambodia.

Cambodia, Angkor Thom, Bayon. Massive stone faces watch your every move at Bayon, a well-known and richly decorated Khmer temple at Angkor in Cambodia.

Cambodia, Angkor Thom, Bayon. Massive stone faces watch your every move at Bayon, a well-known and richly decorated Khmer temple at Angkor in Cambodia.

Cambodia, Angkor Thom, Bayon. Massive stone faces watch your every move at Bayon, a well-known and richly decorated Khmer temple at Angkor in Cambodia.

Cambodia, Angkor Thom, Bayon. Bayon is a well-known and richly decorated Khmer temple at Angkor in Cambodia.

Cambodia, Angkor Thom, Bayon. Bayon is a well-known and richly decorated Khmer temple at Angkor in Cambodia.

Cambodia, Angkor Thom, Bayon. Bayon is a well-known and richly decorated Khmer temple at Angkor in Cambodia.

Cambodia, Angkor Thom, Bayon. Bayon is a well-known and richly decorated Khmer temple at Angkor in Cambodia.

Cambodia, Angkor Thom, Bayon. Bayon is a well-known and richly decorated Khmer temple at Angkor in Cambodia.

Cambodia, Angkor Thom, Bayon. Massive stone faces watch your every move at Bayon, a well-known and richly decorated Khmer temple at Angkor in Cambodia.

Cambodia, Angkor Thom, Bayon. Bayon is a well-known and richly decorated Khmer temple at Angkor in Cambodia.

Cambodia, Angkor, Angkor Wat. Close up details of Angkor relief art on the walls of the dramatic remains of Angkor Wat.

Cambodia, Angkor, Angkor Wat. The dramatic remains of Angkor Wat.

Cambodia, Angkor, Angkor Wat. Statue alongside the dramatic remains of Angkor Wat.

Cambodia, Angkor, Angkor Wat. Close up details of Angkor relief art on the walls of the dramatic remains of Angkor Wat.

Cambodia, Angkor, Angkor Wat. Close up details of Angkor relief art on the walls of the dramatic remains of Angkor Wat.

Cambodia, Angkor, Angkor Wat. Close up details of Angkor relief art on the walls of the dramatic remains of Angkor Wat.

Cambodia, Angkor, Angkor Wat. Buddhist statues colourfully decerated within the dramatic remains of Angkor Wat.

Cambodia, Angkor, Angkor Wat. Buddhist statues colourfully decerated within the dramatic remains of Angkor Wat.

Cambodia, Angkor, Angkor Wat. The dramatic remains of Angkor Wat.

Cambodia, Angkor, Angkor Wat. The dramatic remains of Angkor Wat.

Cambodia, Angkor, Angkor Wat. The dramatic remains of Angkor Wat.

Cambodia, Angkor, Angkor Wat. The dramatic remains of Angkor Wat.

Cambodia, Angkor, Angkor Wat. The dramatic remains of Angkor Wat.