http://www.worldtour360.com/360.php?country=Canada&swf=MontrealVieuxPort20170706&lang=en
(world tour 360 degree)
https://www.houzz.com/ideabooks/21279811/list/15-smart-design-choices-for-cold-climates
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https://www.investopedia.com/articles/investing/022415/worlds-top-10-economies.asp
(best economies of the world)
(housing
in cold climate)
https://www.youtube.com/watch?v=BFp3y0KIaqk (cold climate building techniques)
(flood prone areas-design of houses)
https://www.youtube.com/watch?v=gjBMivA3z4k (village in Rajasthan- economy of the place
is evident)
https://www.youtube.com/watch?v=hhHk9jSL5FE (mud hut for camels in salt desert)
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https://www.investopedia.com/articles/investing/022415/worlds-top-10-economies.asp
(best economies of the world)
https://www.thebalance.com/economy-definition-2085358 (what is an economy?)
https://www.khanacademy.org/economics-finance-domain/macroeconomics/gdp-topic/v/introduction-to-economics (GDP)
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https://www.youtube.com/watch?v=dyxL_BvkhJg (cement manufacturing)
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https://www.youtube.com/watch?v=oVOnRPefcno (what makes bridges strong?)
https://www.youtube.com/watch?v=N_DLcS1BVc4 (experiment of tension and compression on bridges)
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https://www.youtube.com/watch?v=dyxL_BvkhJg (cement manufacturing)
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https://www.youtube.com/watch?v=oVOnRPefcno (what makes bridges strong?)
https://www.youtube.com/watch?v=N_DLcS1BVc4 (experiment of tension and compression on bridges)
https://www.youtube.com/watch?v=c-V_8_qmJbE&list=PLNNCbmHKSMN-rwF08cA2ek-55kR9yh_Vj (tension and compression on bridges)
https://www.youtube.com/watch?v=EYRYtTMcYZM (Types of bridges, forces)
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https://www.youtube.com/watch?v=EYRYtTMcYZM (Types of bridges, forces)
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https://goal.aminoapps.com/page/blog/stadiums-bundesligavspremierleague/2v1I_NuxQ1EbY17Vg285Z0dY158D2Wa (stadiums around the world)
http://www.skyscrapercity.com/showthread.php?t=1727660 (bridges around the world)
https://worldamazingpictures.wordpress.com/author/worldamazingpictures/page/12/ (under sea restaurant)