Playa de Arena Blanca is a stunning white sand beach on Bioko Island in Equatorial Guinea. But that’s not the only reason to visit. During the dry season between December and February, thousands of butterflies populate the beach to breed. The spectacle is known to create dense “clouds” of butterflies. Bioko Island is the largest volcanic island in the Gulf of Guinea, located 100 miles northwest of Equatorial Guinea’s coast and 60 miles from the southern coast of Nigeria. In the native Bube language, the island is called Ëtulá Ëria….