built an altar
Gênesis 8:20
And Noah built an altar unto the LORD; and took of every clean beast, and of every clean fowl, and offered burnt offerings on the altar.
Gênesis 12:7
And the LORD appeared unto Abram, and said, Unto your descendants will I give this land: and there built he an altar unto the LORD, who appeared unto him.
Gênesis 12:8
And he removed from there unto a mountain on the east of Bethel, and pitched his tent, having Bethel on the west, and Ai on the east: and there he built an altar unto the LORD, and called upon the name of the LORD.