the question: a poem-song

spain
she once ruled the seas
where has she gone?
no man knows

no man knows
do i live in a box?
no man knows
do i live in a cave?
no man knows

birds
they once ruled the skies
where have they gone?
none shall know

none shall know
where is my cave?
none shall know
where is my home?
none shall know

earth
it once ruled the space
where did it go?
we don't know

we don't know
where is my home?
we don't know
who took my home?
we don't know
where is the earth?
we don't know