2. <img width="483" src="https://upload.wikimedia.org/wikipedia/en/0/00/Screaming_Trees.jpg" />
  4. <iframe src="https://www.youtube.com/embed/RDUJxyRhhYw" width="560" height="315" frameborder="0" allowfullscreen=""></iframe>
  6. <img width="467" src="https://www.iconographystudios.net/wp-content/gallery/rancho-a-go-go-2828/food_truck-graphics_14.gif" />
  9. <img width="319" src="https://hess.copernicus.org/articles/25/3351/2021/hess-25-3351-2021-t01.png" />
  13. <iframe src="https://www.youtube.com/embed/HXpzIFhGuAQ" width="560" height="315" frameborder="0" allowfullscreen=""></iframe>
  15. <img width="354" src="https://open.oregonstate.education/app/uploads/sites/28/2020/11/Fig-4-7-Ivan-Vladimirovich-Michurin.jpg" />
  18. <iframe src="https://www.youtube.com/embed/fxJ06Dbn3iU" width="560" height="315" frameborder="0" allowfullscreen=""></iframe>