Leo Barraclough International Features EditorMona Fastvold’s “The World to Come,” starring Katherine Waterston and Vanessa Kirby, will open the hybrid summer component – running June 2-6 – of the International Film Festival Rotterdam’s 50th edition. Hirota Yusuke’s animated feature “Poupelle of Chimney Town” will close the event.“The World to Come” is a romantic drama about the forbidden love between two women, played by Waterston and Kirby, in 1850s Upstate New York.