exemple

{% for bloc in blocs %}
<div id="metier" class="block container">
    <div class="row vertical-align block-background-color1">
        <div class="col-lg-9">
            <h2>{{ bloc.title }}</h2>
            <p>
              {{ bloc.content }}
            </p>
        </div>
        <div class="block-img col-lg-3">
            <img src="{{ asset(bloc.image.getAssetPath) }}">
        </div>
    </div>

    <div class="row">
        {% if bloc.caroussel is not null %}
        <div class="slick-slider demo">
            {% for client in caroussel %}
                <div>
                   <img height="50px" src="{{ asset(client.image.getAssetPath) }}">
                </div>
            {% endfor %}
        </div>
        {% elseif bloc.component is not null %}
            HTML métiers/services...
        {% endif %}
    </div>
</div>
{% endfor %}