at FMovies. Judith Rakers discovers the largest of the East Frisian Islands through the people who live and work or holiday here. At around 30 kilometres, the "pearl of the North" is the furthest away from the mainland of all the East Frisian islands, which also influences the climate. The high seas climate is ideal for allergy sufferers and asthmatics because the air here is particularly low in pollen and high in iodine. You can't breathe deeper anywhere!