You will have to react quickly in the online game Color Stairs. Do not let the ball jump on a sharp black spike. Spikes cover most of the steps. You will have to actively maneuver to avoid them. The ...

The rainbow color stairs to convey a message of respect for gender diversity are seen on the first floor of the Echizen Municipal Government building in Echizen, Fukui Prefecture, on Dec. 8, 2021.

Stairs are often an inevitable part of a building's DNA. Nowadays, staircases not only serve the function of practicality but are also a showcase of their own kind, especially if paired with a color ...