subject: Samples for Teaching Tools [print this page] As they embarked on a trip back home to the United States they placed the specimens they gathered inside coolers with the necessary documents prepared for the customs officials. Five film rolls as well as 323 digital pictures were brought by one student. It was the decision of one student who joined the previous exploration to simply experience the surroundings. You have to live the experience. You need to be aware of your surroundings.