When Hera discovered that Leto was pregnant with Zeus' child, she decreed that Leto can give birth only in a place where sun does not shine.
wˌɛn hˈiəɹə dɪskˈʌvɚd ðæt lˈiːɾoʊ wʌz pɹˈɛɡnənt wɪð zˈuːs tʃˈaɪld, ʃiː dᵻkɹˈiːd ðæt lˈiːɾoʊ kæn ɡˈɪv bˈɜːθ ˈoʊnli ɪn ɐ plˈeɪs wˌɛɹ sˈʌn dʌznˌɑːt ʃˈaɪn.