By 1500 BC the Lapita culture, descendants of the second wave, would begin to expand and spread into the more remote islands. At around the same time, art began to appear in New Guinea, including the earliest examples of sculpture in Oceania. Starting around 1100 AD, the people of Easter Island would begin construction of nearly 900 moai (large stone statues). At about 1200 AD, the people of Pohnpei, a Micronesian island, would embark on another megalithic construction, building Nan Madol, a city of artificial islands and a system of canals. Hawaiian art includes wood carvings, feather work, petroglyphs, bark cloth (called kapa in Hawaiian and tapa elsewhere in the Pacific) and tattoos. Native Hawaiians had neither metal nor woven cloth.