What’s underneath?

Jaden dug restlessly with his hands, as his heart raced rapidly in his chest. He hoped against all odds that it wasn’t what he was thinking.

He scattered the soil all over, but couldn’t find an entrance to anywhere.

Frustration began building up in his heart. He banged the ground with his fist in a fit of rage. He stood up, panting hard, feeling overwhelmed with mixed emotions and weariness from all that had been happening for the past hours. Grunting in anger, he walked ahead, kicking a pile of sand, but knocked his toe finger over something hard.