The Sky is Vast; The Earth...

The Sky is Vast; The Earth... is an Achievement in the category Wonders of the World. To complete this achievement, the player needs to complete all 3 versions of the Commission To Measure the World!.
==Trivia==
* The achievement's Chinese name is a reference to the theme song of the Chinese children's science cartoon series .
==Video Guides==
==Other Languages==
==Change History==
==Navigation==
es:¿Qué tan grande es el mundo?
ja:天は高く、地は…
pt-br:O Céu é Vasto; A Terra...