According to the article, what is one benefit of the Skywalk? A.The construction of the Skywalk so far up allows for a better view of the Colorado River. B.The land the Skywalk sits on will be given to investors to generate more tourism revenue. C.The money from the Skywalk provides tuition for Hualapai students to go to college. D.The popularity of the Skywalk keeps visitors from disturbing the Hualapai community.