USA, Utah, Arches National Park, A hot air balloon flying near Moab, Utah. In the foreground is the rock formation known as the Three Gossips.

USA, Arizona, Monument Valley, Telephoto view of a hot air balloon firing up its gas flame to gain altitude at a balloon festival in the Navajo Tribal Park.

USA, Arizona, Monument Valley, A hot air balloon flying by the Three Sisters during Balloon Festival in the Navajo Tribal Park.

USA, Arizona, Monument Valley, A hot air balloon flying by Spearhead Mesa during Balloon Festival in the Navajo Tribal Park.

USA, Arizona, Monument Valley, Hot air balloon flying by Merrick Butte during Balloon Festival in the Navajo Tribal Park.

USA, Arizona, Monument Valley, Hot air balloon flying by Merrick Butte during Balloon Festival in the Navajo Tribal Park.

USA, Arizona, Monument Valley, Hot air balloons during Balloon Festival in the Navajo Tribal Park. In the forground at left is the Thumb.

USA, Arizona, Monument Valley, A hot air balloon flying over the red sand dunes at Sand Springs during Balloon Festival in the Navajo Tribal Park.

USA, Arizona, Monument Valley, Hot air balloons during Balloon Festival in the Navajo Tribal Park.

USA, Arizona, Monument Valley, Three hot air balloons fly beside Camel Butte during Balloon Festival in the Navajo Tribal Park.

USA, Arizona, Monument Valley, Three hot air balloons during Balloon Festival in the Navajo Tribal Park. The Three Sisters are at right.

USA, Arizona, Monument Valley, Two hot air balloons fly during Valley Balloon Festival in the Navajo Tribal Park.

Germany, Berlin, Mitte, Tiergarten, interior of the glass dome on the top of the Reichstag building designed by architect Norman Foster with a double-helix spiral ramp around the mirrored cone that re...

Germany, Berlin, Mitte, Tiergarten, interior of the glass dome on the top of the Reichstag building designed by architect Norman Foster with a double-helix spiral ramp around the mirrored cone that re...

Germany, Berlin, Mitte, Tiergarten, interior of the glass dome on the top of the Reichstag building designed by architect Norman Foster with a double-helix spiral ramp around the mirrored cone that re...

Germany, Berlin, Mitte, Tiergarten, interior of the glass dome on the top of the Reichstag building designed by architect Norman Foster with the hot air vent on top of the mirrored cone that reflect l...

Germany, Berlin, Mitte, Tiergarten, interior of the glass dome on the top of the Reichstag building designed by architect Norman Foster with the hot air vent on top of the mirrored cone that reflect l...

Germany, Berlin, Mitte, Tiergarten, interior of the glass dome on the top of the Reichstag building designed by architect Norman Foster with the hot air vent on top of the mirrored cone that reflect l...

Germany, Berlin, Mitte, Tiergarten, interior of the glass dome on the top of the Reichstag building designed by architect Norman Foster with the hot air vent on top of the mirrored cone that reflect l...

Germany, Berlin, Mitte, Tiergarten, interior of the glass dome on the top of the Reichstag building designed by architect Norman Foster with a double-helix spiral ramp around the mirrored cone that re...

Germany, Berlin, Mitte, Tiergarten, interior of the glass dome on the top of the Reichstag building designed by architect Norman Foster with the hot air vent on top of the mirrored cone that reflect l...

Germany, Berlin, Mitte, Tiergarten, interior of the glass dome on the top of the Reichstag building designed by architect Norman Foster with a double-helix spiral ramp around the mirrored cone that re...

Germany, Berlin, Mitte, Tiergarten, interior of the glass dome on the top of the Reichstag building designed by architect Norman Foster with a double-helix spiral ramp around the mirrored cone that re...

Germany, Berlin, Mitte, Tiergarten, interior of the glass dome on the top of the Reichstag building designed by architect Norman Foster with a double-helix spiral ramp around the mirrored cone that re...