The Inner Mongolia Autonomous Region of China Mongolia's south-west border at one point is only 37 km (23 miles) from Kazakhstan but does not actually touch the country at any point. Russia is on Mongolia's northern border, Korea is to its east but is not a border.
In May 1987, perhaps 4,000 sq. miles (10,000 sq. km) of timber was destroyed in the Greater Khingan, or Da Hinggan, Range in eastern Mongolia. What caused the devastation?
Where the Brazilian state of Paraná borders Argentina, the area includes what National Park, a UNESCO World Heritage Site since 1986?