Volcanoes National Park is a national park in northwestern Rwanda. It covers 160 km² of rainforest and encompasses five of the eight volcanoes in the Virunga Mountains, namely Karisimbi, Bisoke, Muhabura, Gahinga and Sabyinyo. From Wikipedia
Decades-long research in Rwanda shows that the benefits and costs of sociality vary by sex and group size, challenging assumptions about the universal value of strong social ties.