#the gifer #教室里 #sc gifset #渡邊曜 #thighsd #ah jeeze #spyvideo #arturito #fireze #oliverexe
Link #science #engineering #methane #natural gas #lake kivu #lake nyos #limnic #killing #the earth story #congo #rwanda #africa
Link #science #methane #lake nyos #disaster #limnic #eruption #geohazard #cameroon #carbon dioxide #suffocation #the earth story #history #geology