div class="container">
    <div class="row">
        <div class="col-xs-10 col-xs-offset-1">
            <div class="col-xs-10 col-xs-offset-1 col-sm-4 col-md-3 col-md-offset-0">
                <div class="thumbnail">
                    <a href="#" class="thumbnail">
                        <img class="img-rounded" src="img4.jpg" alt="">
                    </a>
                    <div class="caption">
                        Тут описание thumbnail
                    </div>
                </div>
            </div>
            <div class="col-xs-10 col-xs-offset-1 col-sm-4 col-md-3 col-md-offset-0">
                <div class="thumbnail">
                    <a href="#" class="thumbnail">
                        <img class="img-rounded" src="img3.jpg" alt="">
                    </a>
                    <div class="caption">
                        Тут описание thumbnail
                    </div>
                </div>
            </div>
            <div class="col-xs-10 col-xs-offset-1 col-sm-4 col-md-3 col-md-offset-0">
                <div class="thumbnail">
                    <a href="#" class="thumbnail">
                        <img class="img-rounded" src="img2.jpg" alt="">
                    </a>
                    <div class="caption">
                        Тут описание thumbnail
                    </div>
                </div>
            </div>
            <div class="col-xs-10 col-xs-offset-1 col-sm-4 col-md-3 col-md-offset-0">
                <div class="thumbnail">
                    <a href="#" class="thumbnail">
                        <img class="img-rounded" src="img.jpg" alt="">
                    </a>
                    <div class="caption">
                        Тут описание thumbnail
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>