Premise: Aho-dong is a city in Munsal-li Paechon, South Hwanghae Province, North Korea, located at coordinates 37.8942 N, 126.3742 E. The city is immediately north of the South Korean-North Korean border, which is 7 km from the city center. Its approximate population is 23,553. The city's altitude is 6 feet, or approximately 2 meters. Nearby cities and towns include Chiroe-dong.
Hypothesis: Chiroe-dong has an  altitude of 6 feet.