Tourists ride in a ferry towards Goree Island a gathering point from where slaves were shipped west in the 1700s and 1800s, at Goree Island off the coast of Dakar, Senegal July 7, 2019. Goree island is an UNESCO world heritage site that attracts tourists from different countries from around the World. The 400-year anniversary of the first slave boat to arrive in America from Africa has caused a rush of interest in heritage tourism in West Africa, as ancestors go back to ancient sites to delve into a dark and often hidden past. Picture taken July 7, 2019. REUTERS/Zohra Bensemra