Children colour the dress of a street artist during the Edinburgh Festival Fringe 2019 in Edinburgh, Scotland, Britain on Aug. 4, 2019. The event which kicked off on Aug. 2 will last till Aug. 26. (Xinhua/Han Yan)

Children colour the dress of a street artist during the Edinburgh Festival Fringe 2019 in Edinburgh, Scotland, Britain on Aug. 4, 2019. The event which kicked off on Aug. 2 will last till Aug. 26. (Xinhua/Han Yan)

An artist performs on the street during the Edinburgh Festival Fringe 2019 in Edinburgh, Scotland, Britain on Aug. 4, 2019. The event which kicked off on Aug. 2 will last till Aug. 26. (Xinhua/Han Yan)

An artist performs on the street during the Edinburgh Festival Fringe 2019 in Edinburgh, Scotland, Britain on Aug. 4, 2019. The event which kicked off on Aug. 2 will last till Aug. 26. (Xinhua/Han Yan)

An artist performs on the street during the Edinburgh Festival Fringe 2019 in Edinburgh, Scotland, Britain on Aug. 4, 2019. The event which kicked off on Aug. 2 will last till Aug. 26. (Xinhua/Han Yan)