LAKE LUCERNE, Switzerland
Young passengers aboard the tourist steamboat 'Uri' watch the machine operator lubricating the steam-engine...
Young passengers aboard the tourist steamboat 'Uri' watch the machine operator lubricating the steam-engine during a tour on Lake Lucerne August 24, 2012. The 'Uri' was built in 1901. The Schiffahrtsgesellschaft des Vierwaldstaettersees (SVG) shipping company celebrates 175 years of steam navigation on Lake Lucern on August 25. REUTERS/Arnd Wiegmann (SWITZERLAND - Tags: MARITIME TRAVEL)