Nurse: "There is a reson the see wal is 3 miles of the shoure has no dock is 40 feet thick steal renenforced concret the rise 2 storys out of the sea and encircoles the inland. No liveing creatcher can brake it no land based btx can swim far anuff to reach it and wing btx units are munitered with and keeped in the dome. (no avin in story yet)