Các bạn hãy vote cho hình vẽ nào là đẹp nhất nhé:

1/

https://youtu.be/V2K0ZCpYV14

2/

https://youtu.be/6wVZyJBt4Q4

3/

https://youtu.be/ZfX3-EbAul8

4/

https://youtu.be/Lt4MhGyqvUw

5/

https://youtu.be/iy7f7H9D_MY

6/

https://youtu.be/jlceaSO6FKM

7/

https://youtu.be/9llKsL2pWuI