During the 2011 speleological expedition to the Puerto Princesa Underground River (Palawan. Philippines) a drapery characterized by several close-to-horizontal ribs has been noticed. Even without sampling and analyzing its internal growth layers. a detailed morphological study allowed to present a possible genetic model. https://www.lightemupsequences.com/best-flash-PrimaDonna-Deauville-Rio-Brief-Paradise-Green-great-choice/