Asin tibuok, nicknamed the dinosaur egg, is one of the rarest salts in the world. In the 1960s, salt-making families in the Philippine island of Bohol would trade it for food and other goods. But the craft nearly disappeared in the late 20th century when younger people left the trade for more profitable careers. See more at: https://www.facebook.com/KabilinAlburAsinTibuok?mibextid=ZbWKwL