The ingvellir National Park was established in 1930. The park was held in 930 in the world's first parliament. It is a holy place for Icelanders and was recorded in World Heritage in 2004. The rift in the park is the junction of the two major plates of Asia-Europe-North America; the bottom of the Silfra crack extends to the parliament lake, and the gap is filled with clear water. The sneak into the lake can explore the two major plates. The underwater world, the water temperature in summer is only 4 ° C, it should be a cool feeling. Students who like diving must go and experience it.