the Huldufólk of Tayos.
In Ecuador there's the Tayos' Cave (Cueva de los Tayos/Cave of the Oilbirds), which after Hungarian explorer Janos ‘Juan’ Móricz returns from in the 1960s with a fabulous/dubious tale of discovering a cavernous library of books made of inscribed Golden Tablets . The story gets alot of attention, garnering a series of expeditions, some with Móricz, some without, but the independent ones don't find the tablets, and in the guided ones Móricz instead declines to lead them to the library, claiming that the knowledge contained in the golden books can only be revealed to a ready & responsible contingent of men. In the above documentary of the 1976 BCRA expedition (which included astronaut Neil Armstrong [!]), at the 48:00 minute mark an explorer relates his missing time experience in the cave to later recall his encounter with a pale backless female with a tail-like coccyx. [ Huldra by Steve Ebdon.] This account corresponds to the Norse Lore's Huldra , a female of the...