<div class="row" id="gallery" data-toggle="modal" data-target="#exampleModal">
    <div class="col-12 col-sm-6 col-lg-4">
    <img class="w-100 mb-30 border-radius-5" src="......" alt="First slide" data-target="#carouselExample" data-slide-to="0">
    </div>
</div>

<div class="modal fade" id="exampleModal" tabindex="-1" role="dialog" aria-hidden="true">
    <div class="modal-dialog  modal-xl" role="document">
    <div class="modal-content">
        <div class="modal-header">
        <button type="button" class="close" data-dismiss="modal" aria-label="Close">
            <span aria-hidden="true"> <i class="ti-close font-sm"></i> </span>
        </button>
        </div>
        <div class="modal-body">
        <div id="carouselExample" class="carousel slide" data-ride="carousel">
            <ol class="carousel-indicators">
            <li data-target="#carouselExample" data-slide-to="0" class="active"></li>
            <li data-target="#carouselExample" data-slide-to="1"></li>
            </ol>
            <div class="carousel-inner">
            <div class="carousel-item active">
                <img class="d-block w-100" src="......" alt="First slide">
            </div>
            </div>
            <a class="carousel-control-prev" href="#carouselExample" role="button" data-slide="prev">
            <span class="carousel-control-prev-icon" aria-hidden="true"></span>
            <span class="sr-only">Previous</span>
            </a>
            <a class="carousel-control-next" href="#carouselExample" role="button" data-slide="next">
            <span class="carousel-control-next-icon" aria-hidden="true"></span>
            <span class="sr-only">Next</span>
            </a>
        </div>
        </div>
        <div class="modal-footer">
        <button type="button" class="btn btn-brand-muted font-sm btn-sm" data-dismiss="modal">Close</button>
        </div>
    </div>
    </div>
</div>