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Astrocartography maps planetary angularity across the Earth based on a birth chart. Rather than treating a line as a guarantee that a city will be good or bad, use the map as one layer of astrological symbolism.
Planetary lines
Each planet can be mapped where it was rising, setting, culminating or anti-culminating at the birth moment.
The four angles
ASC lines emphasize rising symbolism, DSC lines relationship/setting symbolism, MC lines culmination/public visibility, and IC lines roots/private foundations.
Use context
Consider the natal condition of the planet, nearby crossings, relocated charts and real-world circumstances before drawing conclusions.