Bhutan is a small himalayan kingdom bordered by China in the north and India on the other three sides. Bhutan's landscape is characterized by rugged terrain and steep mountain valleys. Bhutan has one of the richest biodiversity in the world and has been declared as one of the 10 global biodiversity 'hot spots'. Bhutan is also known as "the Land of Thunder Dragon" and often describe as The Last Shangrila on Earth. The Dragon kingdom is a trekker's paradise and an evnironmentalist's dream.