Expect to meet the semi-nomadic Merak people, who hold deep animist beliefs and make their living herding sheep.

FORBES: Trekking In Bhutan

Local legend has it that Rhumsiki was settled by animist peoples from the northern deserts who fled the advance of Islam in the 18th century.

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There is a long history of tensions between Nigerian Muslims, who mainly live in the north, and Christians who mostly live in the south along with followers of traditional animist religions.

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The BBC's Alex Last in Lagos says the results will be scrutinised to see whether the majority of people live in the predominantly Muslim north or the Christian and animist south.

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Since its independence from France in 1960, Chad's history has been marked by instability and violence stemming mostly from tension between the mainly Arab-Muslim north and the predominantly Christian and animist south.

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Analysts say that Venezuela's mix of Catholic and animist beliefs, especially in the south-central plains and jungles, is fertile ground for talk of spirits and curses which may otherwise seem out of place in an election campaign.

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Their new 12-day trek is not a cushy luxury trip, but rather a high-altitude hiking adventure and a cultural adventure, since guests spend their nights camping in tents or staying in the homes of local villagers, including the semi-nomadic Merak people, who hold deep animist beliefs and make their living herding sheep.

FORBES: Trekking in Bhutan