airful!+day+1+timeline


 * 0-10 minutes || Introduction ||
 * 10-22 minutes || Center 1: What Is Air Pollution? ||
 * 22-34 minutes || Center 2 (cycle) ||
 * 34-46 minutes || Center 3 (cycle) ||
 * 46-58 minutes || Center 4 (cycle) ||
 * 58-70 minutes || Center 5 (cycle) ||
 * 70-82 minutes || Center 6 (cycle) ||
 * 82-90 minutes || Conclusion/Goodbyes ||