'Graves' in the Bible

And the graves were opened; and many bodies of the saints which slept arose,

And came out of the graves after his resurrection, and went into the holy city, and appeared unto many.

Woe unto you, scribes and Pharisees, hypocrites! for ye are as graves which appear not, and the men that walk over them are not aware of them.

Marvel not at this: for the hour is coming, in the which all that are in the graves shall hear his voice,

And they of the people and kindreds and tongues and nations shall see their dead bodies three days and an half, and shall not suffer their dead bodies to be put in graves.