Photos: The spectacular sandstone city of Petra

Tourists climb to see the treasury site. The ancient city of Petra marks one million tourists to visit Jordan's archaeological site this year.

A Jordanian cameleer rides while dragging along camels to rent for tourists in Petra.

Indonesian tourists in front of the ancient Khaznah (treasury) monument in Jordan's archaeological city of Petra as they wave a flag bearing Petra's one million visitor logo.

Bedouin young man sits in the Siq in the ancient city of Petra.

A tourist poses for a picture as she rides a camel in front of the treasury site in the ancient city of Petra

Tourists take selfie pictures in front of the treasury site in the ancient city of Petra.

Chosen in 2007 among the seven "New Wonders of the World", the ancient capital of the Nabateans carved in rock, whose fame spread as of the 1st century BC, is marking the arrival of over one million visitors in 2019.

Tourists take pictures in front of the treasury site in the ancient city of Petra, south of Amman, Jordan.

Tourists walk during a tour in the ancient city of Petra.

Tourists visit Jordan's archaeological city of Petra south of the capital Amman.

Tourists visit Jordan's archaeological city of Petra south of the capital Amman.

A tourist poses for pictures in front of the treasury site in the ancient city of Petra.

A closeup of the the ancient Khaznah (treasury) monument carved in the rock cliff, in Jordan's archaeological city of Petra south of the capital Amman.

Tourists pose for pictures in front of the ancient Khaznah (treasury) monument carved in the rock cliff, in Jordan's archaeological city of Petra.

Tourists visit Jordan's archaeological city of Petra south of the capital Amman.

Tourists take selfie pictures in front of the treasury site in the ancient city of Petra.

Tourists gather in front of the ancient Khaznah (treasury) monument carved in the rock cliff, in Jordan's archaeological city of Petra.

Tourists gather in front of the ancient Khaznah (treasury) monument. The country has set a goal of seven million annual holiday makers by 2020.

Jordanians offer camel rides for tourists in front of the ancient Khaznah (treasury) monument carved in the rock cliff in the archaeological city of Petra.