Visualize an image from the biblical story Genesis 12:7 where Abram is being spoken to by the Lord, promising him land for his descendants. In this revered setting, Abram is constructing an altar in honor of the Lord who has appeared before him. The picture should be depicted with the graceful grandeur and meticulous detail characteristic of the Renaissance art period but devoid of any written text. The image should emanate a deep respect for and devotion to Christian beliefs.