<div class="container">
<div class="row row-cols-2">
<div>
<img src="/upload/95/03142214821461_t.jpg" class="img-fluid">
</div>
<div>
<img src="/upload/a5/03142810768902_t.jpg" class="img-fluid">
</div>
<div>
<img src="/upload/95/03142214821461_t.jpg" class="img-fluid">
</div>
<div>
<img src="/upload/a5/03142810768902_t.jpg" class="img-fluid">
</div>
</div>
</div>
Result: