A smooth, egg-shaped hill left behind by a glacier is called a drumlin.
<span>Drumlins are </span>approximately 250 to 2000 meters long and 300 to 600 meters wide. D<span>rumlin is glacial landform composed primarily of glacial </span>till (unsorted glacial sediment), so <span>internal composition of a drumlin is stratified sand, unstratified till or bedrock.</span>
The answer to your question is either drawbridge or scaffolding. I want to go with drawbridge because it has support and stands of for itself, so its similar to a stucture if that makes sense.
Do you have a picture? as I’m unsure which elements need matching
U caint see the answers sorry
