def merge_overpass_jsons(jsons):
    """Merge a list of overpass JSONs into a single JSON.

    Parameters
    ----------
    jsons : :obj:`list`
        List of dictionaries representing Overpass JSONs.

    Returns
    -------
    :obj:`dict`
        Dictionary containing all elements from input JSONS.
    """
    elements = []
    for osm_json in jsons:
        elements.extend(osm_json['elements'])
    return {'elements': elements}