Rail Guide,Gate Carriage Wheel Track,Suspended Gate Track,Gate Tracks Rail Guide Jiaxing Gates Hardware Products Co.,Ltd , https://www.jxgateshardware.comIn order to facilitate the understanding of the Earth, people mimic the shape of the Earth and scale down to a certain scale to create a model of the Earth - a globe. There is no deformation of the length, area, direction and shape on the globe, so the relationship between the various scenes viewed from the globe is overall and similar to the correct one. 
