Generate a intricate digital art representation of two contrasting landscapes, symbolizing the two covenants mentioned in Galatians 4:24-26. One scene should depict Mount Sinai, presented as a rugged, desolate mountain in the Arabian desert representing bondage. The mountain should be associated with an image of ancient Jerusalem filled with structures that represent constraint and bondage, perhaps dark, confined, and sprawling with many people. The second scene should represent the 'Jerusalem above' which is the symbol of freedom. It should be depicted as ethereal, full of light and open space, giving an elevated feeling of peace and harmony, encapsulating the idea of being 'the mother of us all'.