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Civil engineers in Rome invented the concept of underground sewer to rid their cities of plagues caused by human contact with waste. Their water sources that they used for consumption were also contaminated as they served as open sewers. The underground sewers made sure that that waste stayed out of reach of humans and was deposited by these sewers further downstream. For periodic cleaning, they also provided access ways that were covered with stone lids that we call manholes today. Incidentally, these stone access way covers are still seen in Jerash, Jordan which was a Roman city in the old days.
Another significant advantage of fixed bollards is their role in crime prevention. In certain scenarios, they can serve as physical deterrents to unauthorized vehicles, thus protecting sensitive areas such as government buildings, museums, and airports. By creating barriers that are difficult to breach, fixed bollards contribute to enhanced security measures in urban environments. This can foster a sense of safety and reassurance for residents, tourists, and business owners alike.
The aesthetic appeal of cannon bollards was equally important
. Many were ornately designed, featuring intricate details that celebrated naval heritage. Some bollards were even adorned with insignias or emblems representing the maritime history of a city, making them a part of the town's historical narrative. These elaborately designed bollards became focal points of interest for both locals and tourists, blending functionality with artistry.cannon bollard
