Inca Trail to Machu Picchu terminus at the Sun Gate on Machu Picchu mountain. The two longer routes require an ascent to beyond above sea level, which can result in altitude sickness. Concern about overuse leading to erosion has led the Peruvian government to place a limit on the number of people who may hike this trail per season, and to sharply limit the companies that can provide guides. As a result, advance booking is mandatory. A maximum of 500 people are allowed on the trail each day, of which only 200 are trekkers, the rest being guides and porters. As a result, the high
Secret of the Incas with many of the scenes in "Secret of the Incas" bearing a striking resemblance in tone and structure to scenes in "Raiders of the Lost Ark". Throughout "Secret of the Incas", the main character, Harry Steele, can be seen wearing the "Indiana Jones" outfit: brown leather jacket, fedora, tan pants, an over-the-shoulder bag, and revolver. The character also sometimes wears a light beard, unusual for films of its time, and there is a tomb scene involving a revelatory shaft of light similar to the "Map Room" sequence in "Raiders". "Raiders"' costume designer Deborah Nadoolman Landis noted that the inspiration for