Rare footage shows glimpse into secret life of Manhattan Project, Los Alamos shown in 'Oppenheimer'

It was the 19 forties and people on the outside could only wonder what was going on up the hill. What was the hushed up war mission all about the Manhattan project was arguably history's largest, most secret scientific effort. Only the best and brightest scientists knew the magnitude of the assignment in the remote desert. Today's Los Alamos. Los Alamos really was the ideal location. That's where the world first atomic bomb was developed. Ending World War II. The lab had to be so secretive and secure because if the work got into enemy hands, it was game over. The stakes were enormous. *** massive fence was built around. The complex mail was censored. You needed *** special pass to leave and enter. And when you did leave, you could be followed by security. In fact, you weren't even allowed to utter the words Alamos in code. It was called project. Why? Everything had to be kept secret. But remember, these historical giants were just young men and women. Check this out rare home video recorded off the grid by one of the scientists most of the time they were hard at work, really hard at work. But here's *** peek into the little bit of free time. They did have swimming and hiking, drinking beer and playing sports, riding, horse and creating their own ski lifts. All the while developing technology that would write history. Here. You can see lab director Robert Oppenheimer drinking one of his famous martinis at *** wedding. They went on to win Nobel Prizes. But here you can see them just joking around and letting loose *** rare glimpse at *** secret world. 70 years later in Los Alamos Royal Day Action. Seven News.