There was laughter in the back of the bus. Someone whispered something and two of the three were soon giggling like schools girls. Then all three. But these were not school girls. They were sisters Donna Hastings and Susan Johnson and their 88-year-old mother Maxine Gilstrap, who was the funny instigator. That was in the first 10 minutes of a three-day two-night adventure to discover the enchanting soul of Savannah.