. >> reporter: 350 contributors made the cut, including bob and kathy lesinski. >> we're documenting g day just happened to be when kathy came home after having a double mastectomy, beginning her recovery from breast cancer. >> it's been very healing for me. we look back to that day and see how far we've come as a family. >> reporter: while the film provides an intimate look at individual lives -- >> who do you love? >> my silly boys. >> i fear -- >> any kind of monster. >> dogs. >> growing up. >> it scares me more than anything. >> reporter: -- it says far more about the shared human spirit. >> it just felt like, sort of one soul, but inhabited by so many different bodies. >> we're usually told that our cultures are so different. but beneath the culture is similarity. >> reporter: "life in a day" through the lens of the many people living it. mara schiavocampo, nbc news, new york. >>> that's our world on a thursday night. thank you for being here with us. i'm brian williams and we hope to see you right back here tomorrow evening. good night. -- captions by vitac -- www.vitac.com >>>