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07-10
Zimmer German_Education Turpan doctor Zundman Berlin Academy of Sciences
04-19
German_Education USA_Education compulsory education Zeng Guofan UK_Education
04-08
Bilingual kindergarten kindergarten German_Education English Froebel Kindergarten German
04-07
Diabedo Francis Carlyle Africa_Education architecture daniel schwartz Burkina Faso German_Education
03-17
USA_Education daylight saving time France_Education German_Education
03-13
Italy_Education France_Education German_Education Europe_Education UK_Education Ancient Rome
01-11
UK_Education Europe_Education France_Education German_Education
01-05
A great paradise of Chinese culture German_Education Czech_Education Chengdu Wen Anna Sichuan
01-04
German_Education Yo-yo Mom Marx
12-17