Thousands of flights across Europe remain grounded for a fourth straight day, as a huge swathe of European airspace was shut because of dangerous ash from an Icelandic volcano.
In scenes that are becoming all too familiar in airports across Europe, the departures area of Geneva's International Airport was deserted.
In contrast, train stations - like this one in Rome - were packed with stranded airline passengers.
For many, there is little to do but wait for the dust to settle.
Amid the growing desperation, some were willing to make the long journey home by road.
Several major European airlines, including Air France, said they conducted successful test flights, and were pushing national regulators to reopen airspace across Europe.
Meanwhile, the volcano under Iceland's Eyjafjallajoekull glacier continued to erupt, as scientists and film crews made their way over to assess the situation.
Forecasters say that light prevailing winds in Europe mean that the situation for air travel is unlikely to change in the coming days - evident from the flight information board at Charles de Gaulle Airport in Paris.
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