Should national borders be abolished? Conflict has flared in Southeast Asia over where one country ends and the other begins. Some think that borders are arbitrary, unfair, and potentially dangerous.
Colonial maps spark 21st Century crisis
Tug of war: Thailand argues the 11th Century Preah Vihear Hindu Temple should sit in its territory. Glossary
Cambodia - A country in South East Asia bordered by Thailand, Vietnam and Laos.
Thailand - A country in South East Asia whose neighbours include Malaysia and Cambodia.
Civilians - People who are not in the army or the police.
Embassies - The workplaces of groups of government officials who represent their country in another country.
Colonial - When a region or country is controlled politically by another.
Porous - The amount of empty space inside an object. A rock with a lot of air holes (like a pumice stone) is said to be highly porous. The more porous a material is, the more it can absorb other substances.
Colony - An area or country under the control of another nation.
International Court of Justice - the principal judicial organ of the United Nations, established in 1945, and located in The Hague, Netherlands. It is the only international court that adjudicates general disputes between nations, and gives advisory opinions on international legal issues.
Cede - Give up or give in.
Arbitrary - Based on random choice or wants, rather than any reasonable system.
Apartheid - A system of legally-enshrined racial discrimination and oppression which existed in South Africa from 1948 until the 1990s. It denied non-white South Africans basic human rights.
Abolition - When something is banned, or finally stopped.
EU - European Union. An economic and political union of 27 countries.