Burial Ground for Slaves and Free Blacks up to 1854, containing 180 graves, St. Peter's Churchyard, St. George, Bermuda

burial ground slaves blacks george bermuda graves historical site african diaspora heritage trail cemetery unesco culture history gravestones memorial preservation practices 180 1854 green space landscape vegetation palm trees monuments remembrance community archaeology significance legacy visit tourism exploration tranquility respect ancestry traditions education local architecture stone lineage honors reflection landmarks