

Article
關於地的一些知識/時及曆, Knowledge about the earth/time and calendar
農隱 Nong Yin (Author),
Keywords: astronomy,
Article
關於地的一些知識/地球的現狀, Knowledge about the earth/the current state of the earth
農隱 Nong Yin (Author),
Keywords: animals, nature, water, biology, astronomy, plants,