KOLKATA: After a grand success of 'Expression 2017', St. Lawrence High School (SLHS), Kolkata, India, in association with their alumni St. Lawrence Old Boys' Association (SLOBA) are organizing an international Drawing and Painting competition 'Expression 2018' tomorrow to celebrate Olympic Day and promote Olympic values and peace among school children. Theme this year is 'Olympic Games and Youth' as the world will be coming together for 3rd Youth Olympics in Buenos Aires, Argentina in October this year.