1. All of the plaintiffs' claims are dismissed.

2. The costs of lawsuit are assessed against the plaintiffs.

1. Basic facts

A. On August 28, 2006, the Defendant: (a) pursuant to Articles 3 and 9 of the former Urban Development Act (amended by Act No. 8376 of Apr. 11, 2007; hereinafter the same shall apply) and Article 12 of the Enforcement Decree of the same Act (amended by Presidential Decree No. 20298 of Sep. 28, 2007; hereinafter “former Enforcement Decree of the Urban Development Act”), designated as an urban development zone (hereinafter “instant urban development zone”); (b) pursuant to Article 4(1) of the former Urban Development Act, the Defendant determined an urban development project to be implemented within the instant urban development zone; and (c) publicly announced the plan as Incheon Urban Management Planning (amended by Presidential Decree No. 20274 of the same Act; hereinafter the same shall apply); and (d) pursuant to Article 27 of the former Enforcement Decree of the National Land Planning and Utilization Act (amended by Presidential Decree No. 20278 of Jul. 26, 2007).

(1) The name of an urban development zone: The location and area of an urban development zone: The purpose of designating an urban development zone of 972,141 square meters in Seo-gu Incheon Metropolitan City (3) - The development of a three-dimensional city around N in the international level in connection with the road traffic system following the straight straight line of the O Highway, thereby promoting the reorganization of urban spatial structure and the revitalization of old city renewal - The promotion of the development effect of the P zone, Q district, Incheon International Airport, etc. - the promotion of maximize the development effect and the creation of a collapse effect - the implementation of a fundamental resolution of the traffic congestion around N-N which is a habitual and regular area: Incheon Metropolitan City, the Korea Land and Housing Corporation, integrated with the Korea Land and Housing Corporation in October

c)joint enforcement;