地球

Overview

Works:	4 works in 4 publications in 4 languages

Titles

同心協力救地球 = Discovery project earth by: (Projected and video material)

地球磁場的研究 = When the earth's magnetic field waxes and wanes by: (Projected and video material)

我們的星球 by: (Language materials, printed)

第十二個天體 by: (Language materials, printed)

Subjects

地球

磁場

地球

地球

歷史

地球