How to make grid go next row like flex-wrap of flexbox?

.gallery-page {
  display: grid;
  grid-template-columns: auto;
  grid-auto-flow: column;
  gap: 2rem;
  margin: 2rem;
  width: 100%;
  height: 100%;
  img {
  }
}

.gallery-page {
  display: grid;
  grid-template-columns: auto;
  grid-auto-flow: column;
  gap: 2rem;
  margin: 2rem;
  width: 100%;
  height: 100%;
  img {
  }
}