A column of M60-A3 tanks roll out from bunkers in a show of force held at an army base in Houli, central Taiwan, 18 August, 2004. China has ratcheted up its rhetoric against Taiwan since pro-independence President Chen Shui-bian's re-election in March, with Beijing strengthening its vow to take Taiwan by force should the island declare formal independence. AFP PHOTO/PATRICK LIN (Photo by PATRICK LIN / AFP) (Photo by PATRICK LIN/AFP via Getty Images)