Kansai was the first airport built at great effort and expense in the sea. The gigantic structure and symbol of sophisticated Japanese engineering, which started operation on a man-made island measuring five square kilometres in 1994, soon made negative headlines, however. The island slowly started to sink. In spite of the disaster in Kansai, several Asian airports followed its example. The new “Incheon” airport in Korea, the “Chek Lap Kok“ airport in Hong Kong as well as the “Changi“ airport in Singapore. How do things look at these new constructions? Are there similar problems to those in Japan?