100 scouts and 20 leaders trekked around Meri Puen Sum trail in Haa. It took us about 12 hours to complete the trek. The objectives are: - scouts are expected to develop an understanding of the interaction between humans and the environment. - the impact of the physical environment on the development of human societies and culture. - and the impact of human on the environment. - above all, to enjoy the beauty of nature and to appreciate it.