Uluru walking trails being built for the area. The development of tourism infrastructure adjacent to the base of Uluru that began in the 1950s soon produced adverse environmental impacts. It was decided in the early 1970s to remove all accommodation-related tourist facilities and re-establish them outside the park. In 1975, a reservation of of land beyond the park's northern boundary, from Uluru, was approved for the development of a tourist facility and an associated airport, to be known as Yulara. The camp ground within the park was closed in 1983 and the motels closed in late 1984, coinciding with the opening
Interpersonal attraction of symmetric to asymmetric facial features depicting the highest attraction is still undetermined. It has also been suggested that people are attracted to faces similar to their own as these features serve as cues of kinship. This preference for facial-resemblance is thought to vary across contexts. For example, a study by DeBruine et al. (2008) found that individuals rated faces which had been manipulated to be similar to their own as having more prosocial attributes, but were less likely to find them sexually attractive. These results support "inclusive fitness theory", which predicts that organisms will help closely related kin over