This photo taken on Oct. 1, 2023 shows volcanic materials spewing from Mount Semeru, as seen from Lumajang, East Java, Indonesia. (Photo by Dwi Sasongko/Xinhua)
This photo taken on Oct. 1, 2023 shows volcanic materials spewing from Mount Semeru, as seen from Lumajang, East Java, Indonesia. (Photo by Dwi Sasongko/Xinhua)
This photo taken on Oct. 3, 2023 shows volcanic materials spewing from Mount Semeru, as seen from Lumajang, East Java, Indonesia. (Photo by Dwi Sasongko/Xinhua)