Angel Alcal has more than thirty years of experience in tropical marine resource conservationa. Angel Alcala is considered a world class authority in ecology and biogeography of amphibians and...
Twentieth Century Authors
she invented artificial coral reefs to be used in South East Asia....
Angel Alcala invented artificial coral reefs to be used for fisheries in SouthEast Asia. :)
it depends on what you belive, how vivid the picture is, and maybe it was the light or shadow to make you think you saw an angel