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#intersecting lines #axes #crossing point #coordinate system

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#crossing point #US Mexico border

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#emigration #crossing point #movement across borders

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#turtle intersection #crossing point #turtle construction #road junction #turtle road block

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#international border #crossing point #immigration check

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#strategic location #secured point #military foothold #established defense #crossing point

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#boundary crossing #barrier cross #checkpoint #crossing point #border line #passing through