300 North LaSalle was designed by architects Pickard Chilton that located in United States is opens to further punctuate Chicago’s skyline. Non-confrontational yet forcefully in its design, Pickard Chilton has designed a durable construction for Skyline Chicago has recently opened in the 300 North LaSalle. At 1.3 million gross square feet and about 60 storeys, the tower is a gentle giant by merging its development around high-scape with ease in maintaining a standard pattern and nice detailing. Accommodation near 60 floors of offices and several restaurants and outlet retail development has become a new focus for the business district. Not least of the factors contributing to the atmosphere of public space is integrated into the design that provides both workers and the public space for reflection and calm. Beside the river, a half-acre public park and landscaped terraces have been developed to escape the turmoil. For the avoidance of workers also have a half green roof to observe the ants below.