Katrina Anderson competes in the ‘Exotic’ performance category during the 2017 Pacific Pole Championships at the Convention Center in Los Angeles, California on April 9, 2017. Combining dance and acrobatics, originally began as entertainment in strip clubs, pole dancing soon became mainstream as a form of exercise and expression. Competitions are now held in countries throughout the world and has a participant level estimated at over 30,000 in the US. / AFP/RSS PHOTO / Mark RALSTON