600米高空，为第一高桥建空中游廊

Core Viewpoint - The construction of the world's highest bridge, the Huajiang Grand Canyon Bridge, is progressing with the installation of various tourist facilities, expected to be completed in the second half of this year [2][4][6]. Group 1: Project Overview - The Huajiang Grand Canyon Bridge is a key project of the Guizhou Li'an Expressway, with a total length of 2890 meters and a height of 625 meters above the water surface [13][21]. - The bridge will feature a viewing corridor, glass bridge-style restaurant, and extreme sports facilities as part of its integration with tourism [10][19]. Group 2: Construction Progress - As of June 11, construction workers are actively installing the viewing corridor and other facilities on the bridge [8][15][17]. - The bridge is anticipated to be completed in the latter half of this year, marking a significant milestone in infrastructure development [4][19].