Problem uploading several textarea

Hello,
when I try to upload several textareas (cf code below), they all come with the content of the 3rd.

[fu-upload-form class="html-wrapper-class"
form_layout="media" title="Votre dossier d'adhésion"]
[input type="text" name="post_title" id="title"
class="required" description="Nom et Prénom"]
[input type="file" name="photo" id="my-photo-submission"
class="required" description="Photo 1"]
[textarea name="post_content" class="textarea" description="Description de votre photo"]
[input type="file" name="photo" id="my-photo-submission"
class="required" description="Photo 2"]
[textarea name="post_content" class="textarea" description="Description de votre photo"]
[input type="file" name="photo" id="my-photo-submission"
class="required" description="Photo 3"]
[textarea name="post_content" class="textarea" description="Description de votre photo"]
[input type="submit" class="btn" value="Envoyer"]
[/fu-upload-form]

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