def convert_crs(gdf, epsg=4326):  
    """Transform geometries to a new coordinate reference system.
    For more information:
        see https://geopandas.org/en/stable/docs/reference/api/geopandas.GeoDataFrame.to_crs.html

    Parameters
    ----------
    gdf: gp.GeoDataFrame
        Geopandas GeoDataFrame
    epsg: int
        EPSG code sprecifying output preojection
        Default: 4326

    Returns
    -------
    gp.GeoDataFrame
    """
    return gdf.to_crs(epsg=epsg)