dr. sarah parcak is is a pioneering archaeologist.sing satellite imaging, she was the first to map egypt's city of tanis. she then used the same technology to discover over 300 settlements. there are many people out there that may see you guys out there digging around in the dirt and wonder why. >> i think if we look back, there is so much we can learn from people in the past about who we are today. but the reality is, we haven't changed. we're the same people that built the picture midst. and -- pyramids, when i look at one story, there's an inscription in the western desert and a guy is writing on the face of a cliff, man, i can't believe how much i had to drink. my boss is going to be so angry. i don't understand how i'm going to make it to work tomorrow. this is three thousand years ago! nothing has changed. >> well, the world has become incredibly complex with technology as the change. dr. parcak is using technology. >> focused in terms of our excavations and our survey. today as in all scientific fields, archaeology is facing a