剧情：
VolcanoeshavelonghelpedshapetheEarth.Butwhatislesswellknownisthattherearevolcanoesonotherplanetsandmoonsthatareevenmoreextraordinarythanthoseonourownhomeplanet.
HorizonfollowsaninternationalteamofvolcanologistsinIcelandastheydrawfascinatingparallelsbetweenthevolcanoesonEarthandthoseelsewhereinthesolarsystem.Throughthe..ccc
