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The Historical Culture of Canada(III)

In the 1950s, Canada ushered in a new period of economic prosperity. The US-Canada reciprocal agreement signed in 1854 opened another economic door for Canada. The construction of the railway began to develop rapidly in Canada, and the convenient transportation broke the isolation of each region and laid the foundation for unification. In the 1860s, …

The Culture of the Eiffel Tower(II)

The French government held a design competition, the engineers and architects of French were invited to join a research about the possibility of standing a 125㎡ and 300m high iron tower at Champ de Mars. But whatever the imagines they proposed, their design work must meet this two conditions: This construction can be used for …