Zer egin dezaket?
Aurkitu
ikustea
You’re sitting under a tree on a sunny day. There are bright circles of light of light from the sun making chaotic patterns on the grass. Where do you suppose they come from? How does distance affect ...
Didactalia-ri Gehitzea Arrastra el botón a la barra de marcadores del navegador y comparte tus contenidos preferidos. Más info...