<span>¿Qué son Buenos Aires y Barcelona? is all that i can find out i hope this helps a little.</span>
1.) Los niños so bajos.
2.) Los niños so altos.
3.) Los niños son altos.
4.)Los niños son inteligentes.
All of the sentences have something incorrect some forget the tilde and some have misspelled words. This is how all the sentence should look if they were correct.
You mean Mexican traditions?