Chu - http://thehousenews.com/personal/%E8%89%BE%E7%B4%8D%E6%96%AF%E5%9C%96-%E9%98%BF%E7%88%BE%E6%8B%94%E5%9C%96%E5%92%8C%E6%97%85%E8%A1%8C%E7%9A%84%E6%84%8F%E7%BE%A9/

Brazil - http://list25.com/25-fun-facts-about-brazil-the-largest-country-in-south-america/?view=all

mexican-food - http://list25.com/25-things-you-might-not-know-about-mexican-food/?view=all

argentina - http://list25.com/25-things-you-never-knew-about-argentina/?view=all

年年歡慶完工，年年砍掉重練：祕魯全手工繩橋 - https://dq.yam.com/post.php?id=12759

Who were the Inca, South America’s largest ancient empire? - https://www.zmescience.com/science/inca-empire-feature/