As ash from Iceland's Eyjafjallajokull volcano continued to keep European airspace shut down over the weekend, affecting millions of travelers around the world, some government agencies and airlines clashed over the flight bans. Some restricted airspace is now beginning to open up and some limited flights are being allowed now as airlines are pushing for the ability to judge safety conditions for themselves. The volcano continues to rumble and hurl ash skyward, if at a slightly diminished rate now, as the dispersing ash plume has dropped closer to the ground, and the World Health Organization has issued a health warning to Europeans with respiratory conditions. Collected here are some images from Iceland over the past few days.

Lightning streaks across the sky as lava flows from a volcano in Eyjafjallajokul April 17, 2010. (REUTERS/Lucas Jackson)

The volcano in southern Iceland's Eyjafjallajokull glacier sends ash into the air just prior to sunset on Friday, April 16, 2010.

Long lens view of farm near the Eyjafjallajokull volcano as it continues to billow smoke and ash during an eruption late on April 17, 2010.

A car is seen driving near Kirkjubaejarklaustur, Iceland,
through the ash from the volcano eruption under the Eyjafjallajokull glacier on Thursday April 15, 2010.  (AP Photo/Omar Oskarsson)

This aerial photo shows the Eyjafjallajokull volcano billowing smoke and ash on April 17, 2010. (HALLDOR KOLBEINS/AFP/Getty Images)

A small plane (upper left) flies past smoke and ash billowing from a volcano in Eyjafjallajokul, Iceland on April 17, 2010. (REUTERS)

Lava and lightning light the crater of Eyjafjallajokul volcano on April 17, 2010. (REUTERS/Lucas Jackson)

The first of 3 photos by Olivier Vandeginste, taken 10 km east of Hvolsvollur at a distance 25 km from the Eyjafjallajokull craters on April 18th, 2010. Lightning and motion-blurred ash appear in this 15-second exposure.

The second of 3 photos by Olivier Vandeginste, taken 25 km from the Eyjafjallajokull craters on April 18th, 2010.

The third of 3 photos by Olivier Vandeginste, taken 10 km east of Hvolsvollur Iceland on April 18th, 2010.

This aerial image shows the crater spewing ash and plumes of grit at the summit of the volcano in southern Iceland's Eyjafjallajokull glacier Saturday April 17, 2010. (AP Photo/Arnar Thorisson/Helicopter.is)

A huge ash cloud creeps over the Icelandic south coast April 16, 2010. (REUTERS/Ingolfur Juliusson)

A dark ash cloud looms over the Icelandic south coast April 17, 2010. (REUTERS/Ingolfur Juliusson)

The volcano in southern Iceland's Eyjafjallajokull glacier sends ash into the air Saturday, April 17, 2010. (AP Photo/Brynjar Gauti)

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