Into the Grand Mausoleum

Viviana and Cassian glanced at each other. It should be the entrance.

"How do we open the entrance?" Viviana asked.

"What you've dug up now is only a small portion of the entrance. It is too much work If we want to enter through the main entrance, so we can only dig a tomb hole and enter from its side."

Diana retreated from inside.

"A tomb hole? But didn't you say that it is..." Viviana was about