This is a 六角四片四角孔ねじれ正多面體, in other words, a muoctahedron.

This is a model of a muoctahedron.

The Tōhoku earthquake off the Pacific coast, which occurred on March 11, 2011, was the largest earthquake in Japanese history.

Our town suffered significant damage due to the earthquake.

His shout echoed far away.

He was recalling fondly the summer vacations of his childhood.

Akira does not want his parents to come on class observation days.

There is not a single cloud in the sky.

He has a weak body and gets sick easily.

We decided to explore the cave.