Revellers participate in the Color Run in Stockholm, Sweden, May 22, 2016. Thousands of people in Stockholm drenched themselves in a rainbow of colors in the annual Color Run event on Sunday. (Xinhua/Rob Schoenbaum)

Revellers participate in the Color Run in Stockholm, Sweden, May 22, 2016. Thousands of people in Stockholm drenched themselves in a rainbow of colors in the annual Color Run event on Sunday. (Xinhua/Rob Schoenbaum)

Revellers participate in the Color Run in Stockholm, Sweden, May 22, 2016. Thousands of people in Stockholm drenched themselves in a rainbow of colors in the annual Color Run event on Sunday. (Xinhua/Rob Schoenbaum)

A reveller participates in the Color Run in Stockholm, Sweden, May 22, 2016. Thousands of people in Stockholm drenched themselves in a rainbow of colors in the annual Color Run event on Sunday. (Xinhua/Rob Schoenbaum)