1.   The main long-term challenge likely lies in sustaining the river as the main lure.

2.   Another challenges lies to the east.

3.   For the smart card providers, the challenges lies in the multiple applications of these cards, including utility payments and purchases of petrol or diesel.

4.   Of course, more challenges lie ahead as Yeltsin tries to push his newest candidate for prime minister through parliament.

5.   Several challenges lie ahead, but we have moved very fast in the past few months.