People watch cold lava and white smokes from Mount Semeru at Leprak river in Sumber Wuluh village, Lumajang, East Java, Indonesia, Jan. 9, 2022.Photo:Xinhua

Clothes covered by volcanic ash from Mount Semeru are seen at Curah Kobokan village in Lumajang, East Java, Indonesia, Jan. 9, 2022.Photo:Xinhua

People clean volcanic ash spewed from Mount Semeru on the roof of a house at Curah Kobokan village in Lumajang, East Java, Indonesia, Jan. 9, 2022.Photo:Xinhua