viewer.zoomTo(entity1);

                    viewer.zoomTo(viewer.entities);

                    viewer.camera.flyTo({
                        destination: Cesium.Cartesian3.fromDegrees(-122.19, 46.25, 5000.0),
                        orientation: {
                            heading: Cesium.Math.toRadians(
 
175.0),
                            pitch: Cesium.Math.toRadians(-35.0),
                            roll: 0.0
                        }
                    });