YOU SAID:

Walking through the dawn, he saw the first light over the sea

INTO JAPANESE

夜明けを歩いて、彼は海の最初の光を見た

BACK INTO ENGLISH

Walking at dawn he saw the first light of the sea

INTO JAPANESE

夜明けに歩いて彼は海の最初の光を見た

BACK INTO ENGLISH

Walking at dawn he saw the first light of the sea