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Learn about incredible volcanoes around the world!FEATURES -Detailed information, and photos -Save y

Learn about the woodwind instruments, used to create beautiful music around the world!FEATURES -Deta

Unbordered是一個全球社交網絡，您可以在這裡與外國朋友建立聯繫，並與各大洲的人們聯繫。您可以結識外國人，尋找語言交換夥伴，或者瀏覽公共時間表，查看全球發生的事情。用作語言交換應用程序或僅用於與

The art of the middle ages is as interesting as it is old. Learn about the artwork of these cultures

Protected behind the thick walls of the castle, the nobility of the middle ages plotted against each

The tanks of today are powerful, fast, and extremely deadly. Learn about some of the best examples w

Learn about the pyramids and ruins of the ancient and mighty kingdoms of Central America!FEATURES -D

Corals are some of the most amazing animals on planet earth, learn more about them with this wonderf

Learn about fascinating deer found all around the world. FEATURES • Take a challenging quiz that wil

Learn about the greatest minds in western thought!FEATURES • Challenging Quiz Game! • Hi-resolution