def make_wkt_polygon(x_min, y_min, x_max, y_max):
    """Creates a well known text (WKT) polygon geometry for insertion into database"""
    return f"POLYGON(({x_min} {y_min}, {x_min} {y_max}, {x_max} {y_max}, {x_max} {y_min}, {x_min} {y_min}))"