iReport — The facts:-Each year, between 600,000 and 800,000 human beings are captured and transported across international borders.-There are at least 10 million slaves in the world today.-There are more slaves now than any point in human history. The challenge:1. Build it. The CNN Freedom Project has used the paper airplane as a symbol of the path towards freedom. We want you to make a paper airplane of your own. On one wing, write one of the three statistics above. On the other wing, write a message of hope for the victims in your own words. Then add your name. 2. Show it. Upload a close-up photo of your airplane. Extra points if you also upload a video of your plane flying through the air. 3. Pass it on. Give your plane to a friend or a stranger. Encourage that person to write their name and pass it on to others. The deadline for submissions is June 15. We look forward to seeing planes and messages from across the world and sharing them on CNN.