Hang Trong has wide-arched entrances on either side and a ceiling clustered with stalactites. It's so named because when the wind blows through its stalactites, the effect resembles the sound of distant drumbeats.
Hang Trong has wide-arched entrances on either side and a ceiling clustered with stalactites. It's so named because when the wind blows through its stalactites, the effect resembles the sound of distant drumbeats.







