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Vsebina
Vsebina objave
🌍 The first known use of contour lines on a map appeared in 1584, showing the depth of water in the Netherlands. This method is still used today to show elevation and terrain on modern maps. ✨ #cartography⚡#elevation⚡#history⚡#geography⚡#nature⚡#earth 👉subscribe Amazing Geography 👉more Channels