Architecture, Building and Structure Design Echelon Concert Hall of Damghan by Ghazal Ghozat In the Echelon project, the designers have been inspired by the layers of Badab-e-Surat spring in Damghan, Iran which is designed to be exploited as a concert hall. In their work, the volume layers are designed such that they lead to creation of visual variaty in addition to conducting the motivation for use in consumers. By use of a ramp, the audience are guided to the main lobby and into the volume. The design team have provided sky light by adopting layers of glass and concrete. The walls and ceiling are not only used in terms of structure but can be used for acoustic purposes.