Towering 34 stories above the traffic, Two Logan Square is a provocative beauty in step with its environment in an entirely original way. Polished and flamed panels of granite punctuated by intervals of glass distinguish the exterior, which was designed to complement its neighbor, One Logan Square. Arches, keystones and cornices are reminiscent of the classical details important to every structure encircling Logan Square, but are rendered modern by the architects of Kohn Pedersen Fox.As noteworthy as the facade, the lobby of Two Logan Square is a study in grandeur. Entering through the center arch on 18th Street reveals a three-story loggia awash with light. Revolving doors lead to a vaulted lobby that is lit by a procession of chandeliers. The interplay of mirrored glass and Italian marble, of pilasters on the walls and coffers on the ceiling, is enriching. It is an environment that impresses upon all who visit the importance of the retail establishments in the lobby and the companies that fill the floors above.The ambiance established in the loggia extends to every floor. There is a generous ratio of windows to floor space made possible by the building's central core a