Recently, under the invitation of the Department of Housing and Urban-Rural Development of Jiangsu Province and the Nanjing Urban Planning Association, Director Huang Jun of the Underground Space Division of the Transportation Planning & Design Institute of JSTI Group systematically promoted and elucidated the content of "A Guide for the Coordinate Construction of Urban Comprehensive Pipe Galleries and Underground Projects in Jiangsu Province" (hereinafter referred to as the "Guide") to the representatives from agencies and organizations responsible for the planning, management and implementation of comprehensive pipe gallery construction in Jiangsu as well as the Nanjing Urban Planning Bureau.