PHP - me sale el icono de imagen y no carga en el carousel

<?php

  include "logica/conexion.php";

  $sql2 = "SELECT imagen FROM club";

  $result2 = $conectar->query($sql2);

  $fila2 = $result2->fetch_assoc();

  ?>

  <div class="container-fluid">

<div class="row justify-content-center mb-2">

<div class="col-lg-10">

<center>

  <div id="demo" class="carousel slide" data-ride="carousel">

  <!-- Indicators -->

  <ul class="carousel-indicators">

    <?php

$i = 0;

foreach ((array)$fila2 as $row){

  $actives = '';

  if($i == 0){

    $actives ='active';

  }

    ?>

    <li data-target="#demo" data-slide-to="<?= $i; ?>" class="<?= $actives; ?>"></li>

    <?php $i++ ; } ?>

  </ul>

  <!-- The slideshow -->

  <div class="carousel-inner">

  <?php

$i= 0;

foreach ((array)$fila2 as $row){

  $actives = '';

  if($i == 0){

    $actives ='active';

  }

    ?>

    <div class="carousel-item <?= $actives; ?>">

      <img src="<?= $row['imagen'] ?>" width="100%" height="400">

    </div>

    <?php $i++; }  ?>

  </div>