Heliport site: construction of the heliport in the Yangtze River Delta, Nanjing after the Suzhou and Hangzhou, the city is the most developed Yangtze River Delta areas.

• 直升机场选址：在长三角修建直升机场，南京之后，是苏州和杭州，这些城市是长三角最发达的地方。