Characteristics of spatial clustering of travel demands to North Korea.

Characteristics of spatial clustering of travel demands to North Korea.</p

Fig 2 -

a: The average percentage of each month during 2011-2018. b: The percentage of each month from 2011 to 2018.</p

The number of travel demands to North Korea during 2011–2018.

The number of travel demands to North Korea during 2011–2018.</p

Distribution map of travel demands to North Korea (The administrative boundaries were obtained from the Chinese National Geographic Information Center (http://ngcc.sbsm.gov.cn), using Acrgis 10.6.1 for visual processing.

The figure is similar but not identical to the original image and for illustrative purposes only).</p