The teacher takes the opportunity to share her expeditions and explorations through pictures, documentary films and lectures on the extreme environments across the world. The coldest extremes like the Arctic and the Antarctic, the hottest extreme like The Taklamakan Desert, the highest extreme like The Mount Everest and the lowest extreme like The Yarlung Zangbo Grand Canyon. Within the lessons, students can learn more about the natural environment, cultural heritage, adventures and scientific expeditions on the world's most pristine yet austere environments. It also teach students how human, environment, culture and arts are tightly integrated from these disparate places and how hard the scientists have been working in order to make our home a better place to live for our future generations.