01 Cueva de los Tayos, Ecuador: a vertical chimney throwing a shaft of daylight straight down onto the cave floor and rubble.MezzoforteF, CC BY-SA 3.0 · Wikimedia Commons 02 Jomblang Cave, Java: the 'heavenly light', a beam down a pit about 60 m deep onto the floor below.Thomas Fuhrmann, CC BY-SA 4.0 · Wikimedia Commons 03 Jomblang again, another angle: how soft the beam and its landing are from that height.Thomas Fuhrmann, CC BY-SA 4.0 · Wikimedia Commons 04 Jomblang with people under the lit patch: the brightness of the spot against the dark.Arie Bas, CC BY-SA 4.0 · Wikimedia Commons 05 Son Doong, Vietnam: a winter sunbeam through a skylight very far above, onto a rocky floor.Trantuanviet, CC BY-SA 4.0 · Wikimedia Commons 06 Antelope Canyon, Arizona: a beam landing on dry sand, its spot's edge soft.Lucas Löffler, public domain · Wikimedia Commons 07 Upper Antelope Canyon: another beam on sand.Jarek Tuszyński, CC BY-SA 4.0 · Wikimedia Commons 08 Cenote Suytun, Yucatán: the small ceiling hole and the beam on the stone platform (a shallow cave: the opening is not far up).Nikolai Maksimovich, CC BY 3.0 · Wikimedia Commons 09 Cenote Suytun again.David Stanley, CC BY 2.0 · Wikimedia Commons 10 Cenote Samula, Yucatán: a beam through a small ceiling opening, landing on water.dronepicr, CC BY 2.0 · Wikimedia Commons 11 Gonates tunnel, Crete (man-made): a beam landing on the tunnel floor.Uoaei1, CC BY-SA 4.0 · Wikimedia Commons 12 Hang Én, Vietnam: light from a huge entrance, for comparison with a narrow shaft.Jérémie B., CC BY-SA 4.0 · Wikimedia Commons 
