A form of 'Egungun' spirit performs a dance ahead of a Voodoo ceremony in Ouidah, Benin. (Photo by Dan Kitwood/Getty Images)
Nigerian 'Voodoo Spirits' walk the streets in Ouidah, Benin. Each spirit represents the reincarnation of a dead member of the Nigerian 'Nagu' clan. (Photo by Dan Kitwood/Getty Images)
Drummers perform during a Voodoo Ceremony on January 9, 2012 in Ouidah, Benin. Ouidah is Benin's Voodoo heartland, and thought to be the spiritual birthplace of Voodoo or Vodun as it known in Benin. (Photo by Dan Kitwood/Getty Images)
The regional King of Allada blesses people and asks for the protection of God during a Voodoo ceremony in Ouidah, Benin. (Photo by Dan Kitwood/Getty Images)
An 'Egungun' spirit performs during a Voodoo ceremony in Ouidah, Benin. (Photo by Dan Kitwood/Getty Images)
An 'Egungun' spirit performs during a Voodoo ceremony in Ouidah, Benin. (Photo by Dan Kitwood/Getty Images)
A stilted dancer takes a break before performing at a Voodoo Ceremony in Ouidah, Benin. (Photo by Dan Kitwood/Getty Images)
An 'Egungun' spirit performs during a Voodoo ceremony in Ouidah, Benin. (Photo by Dan Kitwood/Getty Images)
A Nigerian 'Voodoo Spirit' dances during a ceremony in Ouidah, Benin. Each spirit represents the reincarnation of a dead member of the Nigerian 'Nagu' clan. (Photo by Dan Kitwood/Getty Images)
A boy chases a chicken ahead of a Voodoo ceremony in Ouidah, Benin. (Photo by Dan Kitwood/Getty Images)
Ninssouhoue dancers perform at a Voodoo Ceremony in Ouidah, Benin. (Photo by Dan Kitwood/Getty Images)
Dancers wait to perform at a Voodoo Ceremony in Ouidah, Benin. (Photo by Dan Kitwood/Getty Images)
An 'Egungun' spirit performs during a Voodoo ceremony on in Ouidah, Benin. (Photo by Dan Kitwood/Getty Images)
A Voodoo dancer performs during the Voodoo festival on in Ouidah, Benin. (Photo by Dan Kitwood/Getty Images)
Dancers wait to perform at a Voodoo Ceremony in Ouidah, Benin. (Photo by Dan Kitwood/Getty Images)
Ninssouhoue dancers perform at a Voodoo Ceremony in Ouidah, Benin. (Photo by Dan Kitwood/Getty Images)
Ninssouhoue dancers perform at a Voodoo Ceremony in Ouidah, Benin. (Photo by Dan Kitwood/Getty Images)
Ninssouhoue dancers perform at a Voodoo Ceremony in Ouidah, Benin. (Photo by Dan Kitwood/Getty Images)
People watch as Ninssouhoue dancers perform at a Voodoo Ceremony in Ouidah, Benin. (Photo by Dan Kitwood/Getty Images)
Drummers perform for Nigerian 'Voodoo Spirits' at a Voodoo ceremony in Ouidah, Benin. (Photo by Dan Kitwood/Getty Images)
Men pose with a 'Zangbetto' ahead of a performance during a Voodoo ceremony in Ouidah, Benin. (Photo by Dan Kitwood/Getty Images)
A Voodoo priest and her entourage arrive through 'The Gate of No Return', to the annual Voodoo festival in Ouidah, Benin. (Photo by Dan Kitwood/Getty Images)
A form 'Egungun' spirits perform a dance ahead of a Voodoo ceremony in Ouidah, Benin. (Photo by Dan Kitwood/Getty Images)
A woman holds two Marassa Voodoo Twins on Benin's annual Voodoo festival in Ouidah, Benin. (Photo by Dan Kitwood/Getty Images)
A form of 'Egungun' spirit performs a dance ahead of a Voodoo ceremony in Ouidah, Benin. (Photo by Dan Kitwood/Getty Images)
A form of 'Egungun' spirit performs a dance ahead of a Voodoo ceremony in Ouidah, Benin. (Photo by Dan Kitwood/Getty Images)