Well it all depends on what religion or beliefs of the people you are talking about but i will name several places. If you are Muslim you must take a pilgrimage to Mecca unless your ar physically or financially unable. Some Christians might believe in taking a pilgrimage to Nazareth and places connected with Jesus. Some communists might of believed in making a pilgrimage to the site where Lenin's body is in good condition with no decay.
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rome
The most common pilgrimage is taken by Muslims; the Hajj, a pilgrimage to Mecca.
israel (jerusalem)
People go on a pilgrimage to Mount Everest because they believe that being the tallest mountain in the world it is closer to their gods.
Very religious people.
Lourdes is a pilgrimage site for our Lady in the south of France. People fast and go without sleep while on pilgrimage in Lough Derg in Ireland. Fatima is a pilgrimage site for our Lady in Portugal. Many people go in the walk for the pilgrimage to Santiago de Compostela in Spain. Vatican City is a place of pilgrimage as it is where the head of the Catholic Church lives.
Every year, thousands of people embark on a pilgrimage to visit the holy sites of their faith.
hard!
They are called "Pilgrims".
it depends
Muslims
a lesser pilgrimage is a pilgrimage that is lesser than the normal pilgrimage