There are several purposes. 1. to allow the concrete materials to expand/condense depending on the outside temperature. 2. to make it easier to replace a section if a piece breaks off or needs repairs. 3. to prevent further damage from occuring to a section.
to stop it from flooding
it is made up of concrete and other type of rocks
because when the earth settles they cement could crack and the sections help prevent cracking into other blocks
There were no sidewalks in the city of Rome. A sidewalk is a relatively modern idea. The ancients did have footpaths, though. They were outside of the city along some highways.
The King Of Sidewalks
Sidewalks were built, and boats passed through the canals.
City sidewalks, busy sidewalks, dressed in holiday style.
Yes, in some place they were. Like in Fort Worth, Texas.
Concrete is a man-made substance, and is therefore only found in sidewalks, buildings, and other man-made items.
No, not all streets have sidewalks.
The duration of Sidewalks Entertainment is 1800.0 seconds.
The duration of Sidewalks of London is 1.42 hours.