Test and analysis: According to the diagram, Wuyuan is located in the north of Xi 'an, so the difference of natural landscape between the two places belongs to the latitude zonality law in the north-south direction, which reflects the regional differentiation law of natural landscape from equator to poles.
Comments: This question is less difficult. As long as students can grasp the geographical relationship between the two places and combine the basic meaning of the poem with the difference of the basic laws of latitude and longitude of the natural geographical environment, they can judge it.