[ in-fruh-struhk-cher ]
1. the basic, underlying framework or features of a system or organization.
2. the fundamental facilities and systems serving a country, city, or area, as transportation and communication systems, power plants, and schools.
Source: Dictionary.com
This gallery host TIGHTLY COMPOSED PHOTOGRAPGHS OF LARGE MAN MADE STRUCTUREs SUCH AS Bridges, overpasses, roads and Electrical grids .