こうこう煌々koukou
1.
Describes a state of shining or glowing with a strong, luminous brightness, often creating an impression of brilliance or splendor.
2.
Refers to the captivating quality of light that captures attention through its intensity and sparkle.
3.
Characterizes an illuminating effect that radiates warmth and vitality, often evoking feelings of wonder or admiration.
Example:
大きな建物は光でこうこうと輝いていた。