To commemorate the martyrs of 1890 Margao massacre, Goan Shutterbugs is organising a walk on September 22, 4:30 p.m. starting from Holy Spirit Church, Margao. At 6 p.m. witness the equinox spectacle, where the setting sun lights up the church altars. The walk is free and open to all. Details: 7769886511/goanshutterbugs19@gmail.com.