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from Lifehacker

I Learned to Speak Four Languages in a Few Years: Here's How

The hardest languages to learn. Looks like I blindly picked out the hardest languages to study: Korean and Mandarin Chinese.

How Long Did Famous Structures Take to Build? INTRIGUING ARCHITECTURE long pin full of information about history of famous buildings across the centuries. #DdO:) - https://www.pinterest.com/DianaDeeOsborne/intriguing-architecture/ - DATES and names of ARCHITECTS included, as well as less known fascinating info some people call #trivia. Pinned via Montbiz.. Source: infografía

How Long Did Famous Structures Take to Build? INTRIGUING ARCHITECTURE long pin full of information about history of famous buildings across the centuries. #DdO:) - https://www.pinterest.com/DianaDeeOsborne/intriguing-architecture/ - DATES and names of ARCHITECTS included, as well as less known fascinating info some people call #trivia. Pinned via Montbiz.. Source: infografía

Astrabeds presents: How the World Slept Timeline - The History of Sleep - Very interesting infographic for you to learn all about how people in history used to sleep!

Astrabeds presents: How the World Slept Timeline - The History of Sleep - Very interesting infographic for you to learn all about how people in history used to sleep!