Volcanic crater

This photo taken on Feb. 12, 2023 shows a view of the Wudalianchi UNESCO Global Geopark in Heihe, northeast China's Heilongjiang Province. The Wudalianchi UNESCO Global Geopark features 14 volcanoes and five major volcanic barrier lakes. The geopark boasts a complete set of volcanic landforms, making it a natural volcano museum.This aerial photo taken on Feb. 12, 2023 shows the snow-covered volcanic crater of Laohei Mountain at the Wudalianchi UNESCO Global Geopark in Heihe, northeast China's Heilongjiang Province. The Wudalianchi UNESCO Global Geopark features 14 volcanoes and five major volcanic barrier lakes. The geopark boasts a complete set of volcanic landforms, making it a natural volcano museum.This photo taken on Feb. 12, 2023 shows volcanoes at the Wudalianchi UNESCO Global Geopark in Heihe, northeast China's Heilongjiang Province. The Wudalianchi UNESCO Global Geopark features 14 volcanoes and five major volcanic barrier lakes. The geopark boasts a complete set of volcanic landforms, making it a natural volcano museum.This aerial photo taken on Feb. 12, 2023 shows the snow-covered volcanic crater of Laohei Mountain at the Wudalianchi UNESCO Global Geopark in Heihe, northeast China's Heilongjiang Province. The Wudalianchi UNESCO Global Geopark features 14 volcanoes and five major volcanic barrier lakes. The geopark boasts…

This photo taken on Feb. 12, 2023 shows a view of the Wudalianchi UNESCO Global Geopark in Heihe, northeast China's Heilongjiang Province. The Wudalianchi UNESCO Global Geopark features 14 volcanoes and five major volcanic barrier lakes. The geopark boasts a complete set of volcanic landforms, making it a natural volcano museum.This aerial photo taken on Feb. 12, 2023 shows the snow-covered volcanic crater of Laohei Mountain at the Wudalianchi UNESCO Global Geopark in Heihe, northeast China's Heilongjiang Province. The Wudalianchi UNESCO Global Geopark features 14 volcanoes and five major volcanic barrier lakes. The geopark boasts a complete set of volcanic landforms, making it a natural volcano museum.This photo taken on Feb. 12, 2023 shows volcanoes at the Wudalianchi UNESCO Global Geopark in Heihe, northeast China's Heilongjiang Province. The Wudalianchi UNESCO Global Geopark features 14 volcanoes and five major volcanic barrier lakes. The geopark boasts a complete set of volcanic landforms, making it a natural volcano museum.This aerial photo taken on Feb. 12, 2023 shows the snow-covered volcanic crater of Laohei Mountain at the Wudalianchi UNESCO Global Geopark in Heihe, northeast China's Heilongjiang Province. The Wudalianchi UNESCO Global Geopark features 14 volcanoes and five major volcanic barrier lakes. The geopark boasts…