It first prospered as a stop at the edge of a desert stretch of The Silk Road, the ancient overland trade route between China and Europe.
In a desperate effort to keep the faltering tour project afloat, both sides agreed earlier this year to build an overland route across the demilitarized zone to carry many more tourists at much cheaper prices.
Search and rescue teams had since been combing the area with patrols following overland the route the plane would have taken.
The letter would express concerns about environmental impacts of a proposed overland route the Ministry of Transportation is considering.
Medieval Europeans had known Chinese porcelain from the overland trade through the Near East, but it was a European rarity.
A ceremony was held last Friday to mark the formal opening of the overland route to Mt. Kumgang, which is expected to attract many tourists to the mountain resort.
The firm will determine the value of the lands that the province needs to buy to create an overland route.
In the Middle Ages there used to be something called the Silk Road, which was an overland trade route that ran from the Atlantic shores of Morocco to the Great Wall of China.
The result of these links between the Upper South and the northern part of the cotton states was an overland trade that expanded markedly in the years before secession.
However, juveniles and adults can both be found inland, and sightings, though rare, are so regular in fall that a small percentage of the population must use an overland migration route.