On December 6, 1985, Petra was designated a World Heritage Site. In 2006 the design of a Visitor Centre began. The Jordan Times reported in December 2006 that 59,000 people visited in the two months October and November 2006, 25% fewer than the same period in the previous year.

Machu Picchu lies in the southern hemisphere, 13.164 degrees south of the equator. It is 80 kilometers northwest of Cusco, on the crest of the mountain Machu Picchu, located about 2,450 metres above mean sea level, over 1,000 metres lower than Cusco, which has an altitude of 3,600 metres . As such, it had a milder climate than the Inca capital. It is one of the most important archaeological sites in South America, one of the most visited tourist attractions in all of Latin America and the most visited tourist attraction in Peru. The year at Machu Picchu is divided between wet and dry seasons, with the majority of annual rain falling from October through to April. It can rain at any time of the year. Machu Picchu is situated above a loop of the Urubamba River, which surrounds the site on three sides, with cliffs dropping vertically for 450 metres to the river at their base. The area is subject to morning mists rising from the river.The location of the city was a military secret, and

The Great Wall stretches from Shanhaiguan in the east, to Lop Lake in the west, along an arc that roughly delineates the southern edge of Inner Mongolia. A comprehensive archaeological survey, using advanced technologies, has concluded that the Ming walls measure 8,850 km (5,500 mi). This is made up of 6,259 km (3,889 mi) sections of actual wall, 359 km (223 mi) of trenches and 2,232 km (1,387 mi) of natural defensive barriers such as hills and rivers. Another archaeological survey found that the entire wall with all of its branches measure out to be 21,196 km (13,171 mi)

 According to the Codex-Calendar of 354, the Colosseum could accommodate 87,000 people, although modern estimates put the figure at around 50,000. They were seated in a tiered arrangement that reflected the rigidly stratified nature of Roman society. Special boxes were provided at the north and south ends respectively for the Emperor and the Vestal Virgins, providing the best views of the arena. Flanking them at the same level was a broad platform or podium for the senatorial class, who were allowed to bring their own chairs. The names of some 5th century senators can still be seen carved into the stonework, presumably reserving areas for their use. Side view of Colosseum seating The tier above the senators, known as the maenianum primum, was occupied by the non-senatorial noble class or knights . The next level up, the maenianum secundum, was originally reserved for ordinary Roman citizens  and was divided into two sections. The lower part  was for wealthy citizens, while the up

 On July 7, 2007, in Lisbon, Christ the Redeemer was named one of the New Seven Wonders of the World in a list compiled by the Swiss-based The New Open World Corporation. Leading corporate sponsors, including Banco Bradesco and Rede Globo, had lobbied to have the statue voted into the top seven. Christ the Redeemer In Seven Wonders of the World 2007,Rio de Janeiro, Brazil

 Chichen Itza is located in the eastern portion of Yucatán state in Mexico. The northern Yucatán Peninsula is arid, and the rivers in the interior all run underground. There are two large, natural sink holes, called cenotes, that could have provided plentiful water year round at Chichen, making it attractive for settlement. Of the two cenotes, the "Cenote Sagrado" or Sacred Cenote (also variously known as the Sacred Well or Well of Sacrifice), is the most famous. According to post-Conquest sources (Maya and Spanish), pre-Columbian Maya sacrificed objects and human beings into the cenote as a form of worship to the Maya rain god Chaac. Edward Herbert Thompson dredged the Cenote Sagrado from 1904 to 1910, and recovered artifacts of gold, jade, pottery and incense, as well as human remains. A study of human remains taken from the Cenote Sagrado found that they had wounds consistent with human sacrifice.  The layout of Chichen Itza site core developed during its earlier

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