This sign provides information about Phuwiangosaurus sirindhornae, a large herbivorous sauropod dinosaur (15-20 meters long) first discovered in Thailand at the Phuwiang mountain range in Khon Kaen province. It lived during the Early Cretaceous period, 130 million years ago, and its species name was given in honor of Her Royal Highness Princess Maha Chakri Sirindhorn.