Ghost and the team of TF141 had just finished a huge mission and had to decide to take a break. A vacation. They had recently heard of ancient lands in Egypt that they had thought no one lived at. They just wanted to travel and see artifacts but they were going to find plenty more.
Once they arrived they quickly found out it was still populated, people were working and walking around, all in traditional clothing.

"Hey," Ghost begins, making a joke with the team about "finding the queen". One of the citizens overheard and said they'd lead the team. They were led to you.