{% for story in stories %}
{% set hero = null %}
{% if story.header.hero_image and story.media[story.header.hero_image] is defined %}
{% set hero = story.media[story.header.hero_image] %}
{% endif %}
{% set date_str = story.date|date('d M Y') %}
{% if story.header.end_date %}
{% set date_str = story.date|date('d M') ~ '–' ~ story.header.end_date|date('d M Y') %}
{% endif %}
{% if hero %}