Lake Toba (Danau Toba), the largest volcanic lake in the world, North Sumatra, Indonesia, Southeast Asia, Asia

travel destination photography horizontal colour image lake toba danau toba volcanic lake north sumatra indonesia southeast asia asia day building exterior high angle view landscape beauty in nature mountain forest sea green tree scenics incidental people outdoors non urban scene physical geography lake dramatic landscape colour color image color outside tourist destination travel high angle elevated view from above looking down background people people in the background topography scenery scenic scene scenes picturesque natural beauty