.gallery {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.photo {
    position: relative;
    width: calc(33.33% - 10px);
}
.photo img {
    width: 100%;
    height: auto;
    padding-bottom: 3px;
}
.photo .location {
    position: absolute;
    bottom: 5px;
    left: 5px;
    font-weight: bold;
    background: rgba(255, 255, 255, 0.5);
    padding: 5px;
}