视频简介
Celebrates the remarkable comeback of one of the world's most iconic animals. Tiger populations have rebounded so successfully, many of the big cats are venturing from India's forest reserves into farms and villages-a monumental challenge for both people and animals. The heroes in this story are the vets, scientists, and community patrols dedicated to ensuring that tigers and p...。Wheat has been a staple food of humanity, and a foundation of our diet, dating back to the first civilizations on Earth. Today, a growing segment of wheat products have become tainted, and people have taken up the task of finding out why. 自古以來，小麥一直是人類的基本食糧主食，也是世界文明起源的重要根基。但是現今社會中，對一群為數不小、且數量正在增長的人而言，小麥竟是毒藥，此現象也造就了新興市場上正在崛起的昂貴商品———無麩質產品。 然而，這股「麩質不耐症」風潮席捲而來的緣由，始終是一團迷霧。怎麼會一夕之間，大多數...。从前有一只美丽鸟，它羽毛丰满，艳丽动人。它高傲自大，成天独自在林中唱歌跳舞，炫耀自己。秋天到了，啄木鸟和喜鹊们都在筑巢，准备过冬。美丽鸟笑话它们太傻，依然到处游荡，过着悠闲的生活。转眼间冬天到了，大雪纷飞，天气寒冷。啄木鸟和喜鹊早已身进自己的窝里过冬去了。可是美丽鸟无家可归，又冷又饿。它突然发现林中有一堆野火，就飞过去烤火。。
