O powstaniu Wisły 

https://www.youtube.com/watch?v=hTty9Ob73Dg

Dlaczego Bałtyk jest słony"

https://www.youtube.com/watch?v=sVrnyC9j1N0&feature=youtu.be&fbclid=IwAR3k2aKNqCkTAdlqwk-OZNo_j--Fyx15Lij_ox1mp8Bn0ubY3hjpxB_KfWQ&app=desktop

Legenda o Lechu,Czechu i Rusie

https://www.youtube.com/watch?feature=youtu.be&v=Oq_P_JKQuVw&fbclid=IwAR001MV92F5r9tpI5VHwZ1S-5NIiPvx8KaFWf1alMpiGot5yLzq-ZdXzgfw&app=desktop