Task: Text Simplification
Input (English): In many countries , Kilometre Zero ( also written " km 0 " ) or similar terms in other languages ( also known as zero mile marker , control stations or control points ) is a particular location ( usually in the nation 's capital city ) from which distances are traditionally measured .
Output (English): Kilometre zero ( also written " km 0 " , also mile zero , control stations or control points ) is a point from which distances are traditionally measured to other cities and countries ( often in capital cities ) .