On a recent Friday morning, worshippers made their way in droves into the Achimota Forest, a stretch of green in Ghana's capital that doubles as an unlikely sanctuary for the desperate.

From the outside, the park and adjacent Accra Zoo appeared calm as branches swayed gently with the dry breeze. Inside, voices rose in tongues as worshippers prayed, some collapsing to the ground as if seized by unseen forces.

Originally published on doc.afp.com, part of the BLOX Digital Content Exchange.