| Except for the Terminal Moraine boulders of the area's natural hills and valleys, the Park is completely manmade. |
| Weight for weight, spider silk is stronger than steel and any manmade fiber like Kevlar. |
| Seawalls, groins, and other manmade structures can potentially reduce short-term, immediate erosion risk. |
| This time a massive hydrogen bomb lifts its manmade plumes until they tower over the natural clouds. |
| Go to the bottom of the oceans, not Mars, and set up operations to clean up the oceans and rebuild some of the manmade dead zones in the seas. |
| It's a really interesting area, topographically even, with all the wild mines and huge manmade mountains. |
