Halo wantok!

A group of Chimbu men, photographed by Michael Leahy on his 1933 expedition into the Wahgi Valley / Michael Leahy

Vues du Golfe de la Louisiade et du cul-de-sac de l'Orangerie pendant un orage, voyage de Bougainville dans la mer Pacifique en 1768 / Q. del.: L.J. Masquelier

Woman wearing a grass skirt and carrying a pot on her shoulder, Port Moresby, Papua, ca. 1923, 2 / Sarah Chinnery

Twelve standing men paddling a canoe, Kambaramba Lake, Sepik River, New Guinea, 1935, 3 / Sarah Chinnery

Looking down on the town and the coastline looking west : Port Moresby, Papua New Guinea, 1953 / Terence and Margaret Spencer

Looking down on Port Moresby harbour : Port Moresby, Papua New Guinea, 1953 / Terence and Margaret Spencer

The wharf and Changsha at Port Moresby harbour. A warehouse stands on the left : Port Moresby, Papua New Guinea, 1953 / Terence and Margaret Spencer

Woman standing beside a house ladder and a carved piece of timber, Tambunum, Sepik River, New Guinea, 1935 / Sarah Chinnery

Unloading - note the police watching : Port Moresby, Papua New Guinea, 1953 / Terence and Margaret Spencer

The wharf and Changsha : Port Moresby, Papua New Guinea, 1953 / Terence and Margaret Spencer

The centre of the town from Port Moresby : Papua New Guinea, 1953 / Terence and Margaret Spencer

Vegetation near Port Moresby, black clouds are coming : Papua New Guinea, 1953 / Terence and Margaret Spencer