How did Isaac Asimov decide to introduce the concept of Earth's ancient past into this story?
Around the Web·上个月

Pebble in the Sky

Pebble in the Sky
读者讨论现在已开放。这是社区讨论。
How did Isaac Asimov decide to introduce the concept of Earth's ancient past into this story?
Did anyone else feel the pacing dragged a bit in the middle, or was that just me?
What themes do readers think Asimov was really exploring through the protagonist's journey?