Case file · Anomaly hotspot
Tayos expedition with Neil Armstrong
In 1976 a joint British–Ecuadorian army expedition led by Stan Hall, with astronaut Neil Armstrong as honorary president, mapped the Tayos cave and found no metal library.
1976 CE · -3.06, -78.20 · status: explained
The account
About a hundred people took part, including scientists who catalogued the cave's oilbirds (tayos) and its fauna and archaeology.