Fig. 1From: Respiratory health and eruptions of the Nyiragongo and Nyamulagira volcanoes in the Democratic Republic of Congo: a time-series analysisVirunga active volcanoes: Nyamuragira (on the left, in the background) and Nyiragongo (on the right) in the vicinity of the city of Goma (foreground) (©Nicolas d’Oreye)Back to article page