A great idea, you could look at structures that are in use today to herd reindeer. http://www.rky.fi/read/asp/hae_kuva.aspx?id=111600&ttyyppi=jpg&kunta_id=148

A great idea, you could look at structures that are in use today to herd reindeer. http://www.rky.fi/read/asp/hae_kuva.aspx?id=111600&ttyyppi=jpg&kunta_id=148 http://www.rky.fi/read/asp/hae_kuva.aspx?id=111600&ttyyppi=j... If you do it in the same place for a thousand years, what kind of mounds will form?