def generate_bounding_box(bottom_left, top_right):
    """
    Takes two opposite corners of a bounding box (order matters!) & generates
    a two-tuple of the correct coordinates for the bounding box.

    The two-tuple is in the form ``((min_lat, min_lng), (max_lat, max_lng))``.
    """
    west, lat_1 = bottom_left.coords
    east, lat_2 = top_right.coords
    min_lat, max_lat = min(lat_1, lat_2), max(lat_1, lat_2)
    return (min_lat, west), (max_lat, east)
