ader section-header">Zhe Wang's wechat</li>
                        <li>
                            <img alt="GroupLens logo" src="./images/wzscan.jpg" width="110"/>
                        </li>
                    </ul>
                </div>
                <div class="col-md-5 col-md-offset-1">
                    <div class="gl-logo section-header">
                        <img alt="GroupLens logo" height="25"
                             src="./resources/grouplens-logo-110.png" width="110"/>
        