A boy looks at goldfish in Tajrish bazaar in Tehran, Iran, March 18, 2019, ahead of Nowruz or the Iranian New Year. China will hold the Conference on Dialogue of Asian Civilizations starting from May 15. Under the theme of "exchanges and mutual learning among Asian civilizations and a community with a shared future," the conference includes an opening ceremony and sub-forums. (Xinhua/Ahmad Halabisaz)