Which is not a line of Demarcation between Two Countries?
International Date Line
International Date Line (IDL) is an imaginary line on the surface of the earth from the North to the South pole and demarcates one calendar day from the next. It passes through the middle of Pacific Ocean (180 degree longtitude). The IDL is located on the opposite side of the Earth to the Prime Meridian.
The Durand Line is between Afghanistan and Pashtonkhwa, which was established in 1893 by agreement between Abdur Rahman Khan and Mortimer Durand. The Duran line is a frontier boundry between Afhanistan and Pakistan.
The MacMohan line is signed in 1914 between Britain and Tibet.