A team of treasure hunters could be on the verge of unearthing the “world’s largest treasure hoard,” said to be worth over $20 billion.The team, known as the “Temple Twelve,” have been searching in Finland for the “Lemminkainen Hoard,” which consists of gold, jewels and artifacts, since 1987.If the hoard is discovered, it is thought it will be the most valuable haul ever found.