Taiwanese fisherman Wang Chia-wen contends with Chinese incursions every day, although not usually the kind staged by Beijing's military during its latest round of war games. Fish stocks around Taiwan's tiny Matsu archipelago, a chain of rocky islands near the Chinese mainland, are crucial for the livelihoods of residents but the intruding crews are eating away at them. Island authorities are under-resourced and locals say they are helpless to stop the hostile competition that doesn't respect the median line, an unofficial boundary in the Taiwan Strait that Beijing refuses to recognise. IMAGES AND SOUNDBITES ARRANGED IN SEQUENCES