Kyoto's immense underground spring has nourished Japan's former capital for more than a thousand years. This program illustrates how Kyoto's incomparable spring water has been integrated into the flow of the city's culture and industry, adding its purifying touch to the tea ceremony, festivals and religious rituals, the disparate arts of kimono-making and tofu-making, and the landscaping of the city's Imperial residences, temples, and shrines. But as urbanization causes the water table to drop, how much longer will Kyoto's spring-oriented society survive?