If one is a bit uncomfortable with height. What is the walk across the top of Hoover Dam like. Obviously it is very high. Is it wide enough on either side of you to give a sense of security as one walks over to the Arizona side? For example, the Eiffel Tour( the real one in Paris) is high but there is enough surface to walk around on once you are up there so you do not have to be right at the edge. Hoping the same concept applies to the top of the Hoover Dam. Able to look at the view without being right at the edge of a walkway with the giant drop off. Yikes.