template NestedView(Person person1, Person person2) {
  <div>
    <span var=a1>
      <h1>
        ${#with person1 p1}
          <div>
            <span>${p1.name}</span>
            <span>-</span>
            <span>${p1.age}</span>
            <div style="background-color:yellow;">
              ${#with person2 p2}
                <div>
                  <span style="color:green;">${p2.age}</span>
                  <span>-</span>
                  <span style="color:green;">${p2.name}</span>
                  <div style="color:blue;font-weight:bold">${p1.name}=${p2.age}</div>
                </div>
              ${/with}
              <div style="background-color:green; color: red;">${p1.name}</div>
            </div>
          </div>
        ${/with}
      </h1>
    </span>
  </div>
}