def get_page_image_url(page_ann, vol_meta):
    """Return image url of the page

    Args:
        page_ann (dict): page annotation
        vol_meta (dict): volume meta data

    Returns:
        str: image url of page
    """
    cur_image_grp_id = ""
    cur_image_grp_id = vol_meta["image_group_id"]
    image_ref = page_ann["reference"]
    image_url = f"https://iiif.bdrc.io/bdr:{cur_image_grp_id}::{image_ref}/full/max/0/default.jpg"
    return image_url