{% set image %}
  {% include '@bolt-elements-image/image.twig' with {
    attributes: {
      src: '/images/placeholders/16x9.jpg',
      alt: 'Alt text.',
      loading: 'lazy',
      width: 800,
      height: 450,
    }
  } only %}
{% endset %}

{% set items %}
  {% include '@bolt-components-accordion/accordion-item.twig' with {
    trigger: 'Expand this to see an image.',
    content: image,
  } only %}
  ...
{% endset %}

{% include '@bolt-components-accordion/accordion.twig' with {
  content: items,
} only %}