Sri Lanka's open air art fair "Kala Pola 2019" held in Colombo

An artist sketches a portrait of a visitor during Sri Lanka's open air art fair "Kala Pola 2019" in Colombo, capital of Sri Lanka, Feb. 24, 2019. The event is one of Sri Lanka's largest cultural events and has attracted many tourists over the recent years. (Xinhua/Tang Lu)