>
        <div style="height:200px;" align="center">
            <img src="{{ url_for('static', filename= './sketch_tmp/upload.png',_t=val1) }}"
                 width="200" height="200"
                 style="border:3px solid #999;margin:5px 0px 10px 0px"
                 alt="error: load image"/>
        </div>
    </div>

    <div class="main">
        <h2>Retrieval results</h2>
        <div class="pic_list_con">
            <ul class="clearfix" id="show_img_pannel">

            </ul>
        </div>
  