Timed tickets at Machu Picchu

As of Jan. 1, in order to tackle overcrowding at the Incan-citadel archaeological site of Machu Picchu in Peru, tickets are now being sold for specific entry times, with visits limited to four hours. Entry times, printed on each ticket, are hourly from 6 a.m. to 2 p.m. No one will be admitted at any time other than the one on his ticket.

An entry ticket costs PEN152 (near $46) and can be purchased in advance at www.machupicchu.gob.pe/inicio or at the tourism office in nearby Aguas Calientes or at one of two offices in Cusco.