ROME, May 30 (Xinhua) -- Following are the overall standings of cycling Giro d'Italia after the 18th stage, a 222-kilometer ride from Valdaora to Santa Maria di Sala on Thursday: 1. Richard Carapaz, Ecuador, Movistar, 79:44:22 2. Vincenzo Nibali, Italy, Bahrain-Merida, at one minute...