Yamane finds giant footprints contaminated with radioactivity, along with a trilobite.

Only a giant footprint is seen, leaving the reader (and the characters) wondering what was once there.

The expedition climbs high into the mountains and finds a set of giant footprints in the snow, evidence of the Yeti's existence.

Investigators found three giant footprints, an inch deep, two feet long, and nine inches across.

When giant footprints had appeared around the town centre during some snow last year there had been two theories.

They looked like two giant footprints.

There was another crash, and a giant footprint appeared.

On arrival, Yamane finds giant radioactive footprints, and a trilobite.

Each movement is laid down like a giant footprint, and it is their sequence that gives the piece its sense of forward propulsion.

Could there be any connection to those giant footprints in the streets?