Trees and elephant grass just outside the wall that once enclosed the city of Sukhothai

Trunk of an oil palm, Ao Nang, southern Thailand

Oil palm plantation at Ao Nang, southern Thailand

Coconut palms at Ao Nang

Coconut palms at Ao Nang, southern Thailand

Twilight, Chiang Mai, northern Thailand

Mosses, ferns, and lichens thrive in the fog-shrouded evergreen forest on Doi Inthanon, in the north. The cloud forest at the summit provides a favorable habitat for magnolias, oaks, chestnuts, and other tree species and other flora usually found in temperate climate zones.