North Korea also celebrates Chuseok, but in a very different way, as there are no family gatherings, it is celebrated only on the full moon day and North Koreans visit ancestral graves.
Yes, it is definitely connected to its environment. Korea used to be a mainly agricultural country, and this tradition began a long time ago to celebrate the harvest moon. It is also believed that Chuseok originated from ancient shamanistic rituals offered to deities as a form of worship. This also reveals the connection between the holiday and local religion.
