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=== Volcanos === | === Volcanos === | ||
[[File:Mt.Mayon tam3rd.jpg|thumb|Mt.Mayon, Philippines, with a "perfect" cone (wikipedia)]] | [[File:Mt.Mayon tam3rd.jpg|thumb|Mt.Mayon, Philippines, with a "perfect" cone (wikipedia)]] | ||
* Mt. Mayon, Philippines | * '''Mt. Mayon, Philippines''' | ||
** a stratovolcano that has a near-perfectly symmetric, or "perfect", cone | ** a stratovolcano that has a near-perfectly symmetric, or "perfect", cone | ||
** = the most active volcano in the Philippines | ** = the most active volcano in the Philippines | ||
** traditionally worshipped | ** traditionally worshipped | ||
** see https://en.wikipedia.org/wiki/Mayon | ** see https://en.wikipedia.org/wiki/Mayon | ||
[[File:Lanzarote 5 Luc Viatour.jpg|thumb|Lanzarote 5 Luc Viatour|alt=Lanzarote 5 Luc Viatour.jpg|World's longest "lava tube" (wikipedia)]] | [[File:Lanzarote 5 Luc Viatour.jpg|thumb|Lanzarote 5 Luc Viatour|alt=Lanzarote 5 Luc Viatour.jpg|World's longest "lava tube" (wikipedia)]] | ||
* Cueva de los Verdes ("the cave of Verdes") | * '''Cueva de los Verdes ("the cave of Verdes")''' | ||
* * world's longest "lava tube" was created 3,000 years ago by the eruption of Monte Corona, Canary Islands | * * world's longest "lava tube" was created 3,000 years ago by the eruption of Monte Corona, Canary Islands | ||
** lava tubes are formed when a lava stream cools and solidifies at the top, while lava below continues to flow, leaving a cave after full draining. | ** lava tubes are formed when a lava stream cools and solidifies at the top, while lava below continues to flow, leaving a cave after full draining. | ||
** the cave is 3.7 miles long on land and extends another 0.93 miles under water | ** the cave is 3.7 miles long on land and extends another 0.93 miles under water | ||
** see [https://en.wikipedia.org/wiki/Cueva_de_los_Verdes Cueva de los Verdes (wikipedia)] | ** see [https://en.wikipedia.org/wiki/Cueva_de_los_Verdes Cueva de los Verdes (wikipedia)] | ||
* '''April's Fool volcano prank''' | |||
* April's Fool volcano prank | |||
** on April 1, 1974, pranksters climbed atop the dormant 3002 ft high volcano, Mt. Edgecumbe, near Sitka, Alaska | ** on April 1, 1974, pranksters climbed atop the dormant 3002 ft high volcano, Mt. Edgecumbe, near Sitka, Alaska | ||
** a helicopter had dropped off old tires, kerosene, smoke bombs and rags, which the pranksters lit and threw into the crater | ** a helicopter had dropped off old tires, kerosene, smoke bombs and rags, which the pranksters lit and threw into the crater |