King Sidabutar's Grave on Samosir Island, Lake Toba.

Photographer: Stuart Morgan Hurlbut
From: Missionaries impaled on Batak spears.

King Sidabutar's Grave on Samosir Island, Lake Toba.

King Sidabutar was the Batak king who adopted Christianity. On the left of this picture is the grave of the missionary who converted the tribe.