In any project, <em>the budget must be preliminary and subject to changes</em>, the reason is that in the execution of the project, can appear so many inconvenient that has an additional cost and the executor or builder can not take over all the responsibility (overall in-state projects), in some projects <em>the contractor could increase the cost in a 30% of the total cost of the project by this reason</em>.
<span>In her holocaust memorial, Rachel Whiteread depicted the shapes of identical books as a (reference to the Jews as "the people of the book".)</span>