Kelly Chen's sons loved Superhero characters

Kelly Chen (陳慧琳) and the children were shooting for a Mooncake advertisement in the forest. When asked if she will bring her eldest son, Chace Lau (劉昇) and younger son, Riley Lau (劉琛) for hiking to enjoy the beauty of nature, Kelly Chen replied her sons liked Superhero character. Chace Lau loved to act as Ninja while Riley Lau preferred Ghostbusters. They will play longer whenever kelly was not