npm/three-globe/example/img/earth-water.png', texture => {
      console.log(texture);
      globeMaterial.specularMap = texture;
      globeMaterial.specular = new THREE.Color('grey');
      globeMaterial.shininess = 15;
    });

    const directionalLight = new THREE.DirectionalLight(0xffffff, 0.6 * Math.PI);
    directionalLight.position.set(1, 1, 1); // change light position to see the specularMap's effect

    // Setup renderer
    const renderer = new THREE.WebGLRenderer();
    renderer.setSize(window