Photo provided by Grupo Nacion Costa Rica shows the Poas Volcano spewing smoke in the province of Alajuela, Costa Rica, on April 14, 2017. Just two days after suddenly erupting with enough force to leave a crack in the dome of its crater, Costa Rica's Poas Volcano on Friday spewed a plume of smoke and ash more than three kilometers into the air. (Xinhua/Carlos Arguedas/Grupo Nacion Costa Rica)
