function initialize() {
var puntatore1 = L.marker([42.876467293660156, 12.283916473388672]).bindPopup('AGRITURISMO SANTA MARIA
San Venanzo(Terni)
Umbria'),puntatore2 = L.marker([42.57191917248604, 12.630629539489746]).bindPopup('GARDEN HOTEL
Terni(Terni)
Umbria');
var cities = L.layerGroup([puntatore1,puntatore2]);
var mbAttr = 'Map data © OpenStreetMap contributors, ' +
'CC-BY-SA, ' +
'Imagery © Mapbox',
mbUrl = 'https://api.mapbox.com/styles/v1/{id}/tiles/{z}/{x}/{y}?access_token=pk.eyJ1IjoibWFwYm94IiwiYSI6ImNpejY4NXVycTA2emYycXBndHRqcmZ3N3gifQ.rJcFIG214AriISLbB6B5aw';
var streets = L.tileLayer(mbUrl, {id: 'mapbox/streets-v11', tileSize: 512, zoomOffset: -1, attribution: mbAttr});
var map = L.map('mappabasso', {
center: [42.57191917248604, 12.630629539489746],
zoom: 9,
layers: [streets, cities]
});
var baseLayers = {
"Streets": streets
};
var overlays = {
"Cities": cities
};
L.control.layers(baseLayers, overlays).addTo(map);
}