b d a c a English b c Hollow Moon Theory Hollow Moon la luna es hueca b c e d en.wikipedia.org... a b b https://en.wikipedia.org/wiki/Hollow_Moon d wikipedia b Hollow Moon f Hollow Moon Theory a en.wikipedia.org... c a Wiki ‘Hollow Moon’ g https://en.wikipedia.org/wiki/Hollow_Moon a b b d a c a b Moon is hollow e a wikipedia | the moon is hollow