Tourists walk along Las Vegas Boulevard near the entrance to the Miracle Mile Shops and Planet Hollywood hotel and casino. Large volumes of tourist traffic have, over the years, forced the County to think about moving and protecting pedestrians along the popular tourist destination.

Tourists walk along Las Vegas Boulevard near the entrance to the Miracle Mile Shops and Planet Hollywood hotel and casino. Large volumes of tourist traffic have, over the years, forced the County to think about moving and protecting pedestrians along the popular tourist destination.

Providing security and access to both automobile and pedestrian traffic is handled differently along Las Vegas Boulevard and has changed over the years on the Strip. Here a small, elevated berm and curbing in front of the Linq Hotel and Casino is all the separates the two uses in the contested area.

Providing security and access to both automobile and pedestrian traffic is handled differently along Las Vegas Boulevard and has changed over the years on the Strip. Here a small, elevated berm and curbing in front of the Linq Hotel and Casino is all the separates the two uses in the contested area.

Providing security and access to both automobile and pedestrian traffic is handled differently along Las Vegas Boulevard and has changed over the years on the Strip. Here a small, elevated berm and curbing in front of the Linq Hotel and Casino is all the separates the two uses in the contested area.

Tourists walk along Las Vegas Boulevard across the street from the Mirage Hotel and Casino. Many sidewalks are protected from traffic lanes by physical barriers, where others are not. Moving pedestrians along the Strip safely has become a major effort over the years.

A comparison of an image of Hoover Dam's upstream face in February 1935 to an image taken later that year, after the waters of Lake Mead had risen. The captions read "February 1935- Boulder Dam today." Boulder Dam was officially re-named Hoover Dam in 1947.