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AWith a day/night cycle of 9 years, withhaving two cultures migrating at rotational speed, each culture is making a full circumnavigation of the globe in 9 years. Unless the planet is incredibly uniform, or the nomadic tribes incredibly new, it seems likely that there would be a kind of path which we assume both tribetribes would follow. A visible line of settlements. This would happen naturally due to water and shelter availability, and then over time, those would become outposts of a sort.

In that scenario, each point on the trail is visited once each 4.5 years by one of the two migrating tribes.

Certain plants, such aas fruiting trees, could be planted by tribe A and then in 4.5 years, harvested by tribe B. That could be the basis for an interesting symbiosis. The tribes might depend on each other for survival. Each harvests for themselves, and plants for the next. Initially that could havebe accidental, eating apples then leaving the seeds which happen to become new trees. Later it could become intentional.

A day/night cycle of 9 years, with two cultures migrating at rotational speed, each culture is making a full circumnavigation of the globe in 9 years. Unless the planet is incredibly uniform, or the nomadic tribes incredibly new, it seems likely that there would be a kind of path which we assume both tribe would follow. A visible line of settlements. This would happen naturally due to water and shelter availability, and then over time, those would become outposts of a sort.

In that scenario, each point on the trail is visited once each 4.5 years by one of the two migrating tribes.

Certain plants, such a fruiting trees, could be planted by tribe A and then in 4.5 years, harvested by tribe B. That could be the basis for an interesting symbiosis. The tribes might depend on each other for survival. Each harvests for themselves, and plants for the next. Initially that could have accidental, eating apples then leaving the seeds which happen to become new trees. Later it could become intentional.

With a day/night cycle of 9 years, having two cultures migrating at rotational speed, each culture is making a full circumnavigation of the globe in 9 years. Unless the planet is incredibly uniform, or the nomadic tribes incredibly new, it seems likely that there would be a kind of path which we assume both tribes would follow. A visible line of settlements. This would happen naturally due to water and shelter availability, and then over time, those would become outposts of a sort.

In that scenario, each point on the trail is visited once each 4.5 years by one of the two migrating tribes.

Certain plants, such as fruiting trees, could be planted by tribe A and then in 4.5 years, harvested by tribe B. That could be the basis for an interesting symbiosis. The tribes might depend on each other for survival. Each harvests for themselves, and plants for the next. Initially that could be accidental, eating apples then leaving the seeds which happen to become new trees. Later it could become intentional.

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A day/night cycle of 9 years, with two cultures migrating at rotational speed, each culture is making a full circumnavigation of the globe in 9 years. Unless the planet is incredibly uniform, or the nomadic tribes incredibly new, it seems likely that there would be a kind of path which we assume both tribe would follow. A visible line of settlements. This would happen naturally due to water and shelter availability, and then over time, those would become outposts of a sort.

In that scenario, each point on the trail is visited once each 4.5 years by one of the two migrating tribes.

Certain plants, such a fruiting trees, could be planted by tribe A and then in 4.5 years, harvested by tribe B. That could be the basis for an interesting symbiosis. The tribes might depend on each other for survival. Each harvests for themselves, and plants for the next. Initially that could have accidental, eating apples then leaving the seeds which happen to become new trees. Later it could become intentional.