How to calculate the cost of the Rio Olympics

Rio de Janeiro, Brazil — The Brazilian government is counting on the Olympics to generate millions of dollars in tourism and economic activity.But with the city's population expected to swell to more than 2 million people by 2024, that would require a massive construction boom.The city is currently seeking federal funding to build more than 6 million square feet of

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How to Make a Sustainable Building Material Source

"I have a few questions for you," he says."1.What are you doing?2.What's the best way to start?""Well," I say."I'm a bit of a tech nerd.I'm an early adopter.So I'd love to get an idea from you.And, what's your experience with building materials?""My experience with materials has been good.I've been lucky to get some really great materials.They're all in a category

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