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Woman wearing AR glasses to experience virtual world
0:21
U.S. troops were ill-prepared in World War I, but factories provided materials
0:44
New World Trade Center Building
0:17
At the US National Research Laboratory, scientists tested and developed real world war and combat simulation games
1:14
Paratrooper jumps out of World War II-era plane
0:11
Xi'an World Expo Park Changan Tower Time Delay
0:40
The rich underwater world of the Red Sea
0:12
A man stands on the cover of a battlefield to reenact a World War I scene
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The Americans fought in World War I
0:37
Hangzhou Riverside Wisdom New World under the Blue Sky and White Clouds
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During World War II, Italy set up blood banks to replenish supplies
1:47
The issue of patriotic parades in the United States during the First World War
1:49
World famous travel label suitcase
0:14
Shanghai World Trade Plaza
0:39
World map high-tech continent
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President Harry Struman announced Japan's surrender in World War II
1:12
A variety of animals can be seen on World War I battlefields, including a goat and a lion mascot
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Explore the virtual world
0:13
Corals and colorful exotic fish in the underwater world
0:31
The Czechoslovak Republic was founded in 1918 after the collapse of the Austrian Empire after World War I
1:23