From below

Looking up a the corner of the roof of an angled building in late evening light.
Looking up at a tall ornate red building in Pena palace.
Looking up at a series of angled windows from a lookout.
Looking up at the ceiling of the Maat engine room. There’s various walkways crossing the room and tall thin glass windows going up to the roof.
Looking up at the interior of the ceiling in the Jerónimos monastery.
Looking up at the top of a tower block on the Golden Lane estate. The block has contrasting patches of bright white and yellow.
Looking up at a series of concrete balconies on the upper levels of the Brunswick Centre.
Looking up at the exterior of a 5 story building. In the middle on the fourth floor one window and wall is knocked out. A group of fake birds are suspended in the sky as if in flight past the building.
A photo of an exterior wall in the Barbican. The wall is pebbledash concrete. On the left and right side are white tiles.
Wide angle photo looking up from the central courtyard at the Torre de Belém. The walls of the courtyard loom on each side, with the main tower in front. The sky is bright blue with no clouds.
Looking up at an ornate street lamp amongst some tall trees on a sunny day.
Looking towards the ceiling of the main atrium of la Sagrada Família. The very top of the ceiling is especially bright from many small lights.
A photo from inside the atrium of the Museu d’Art Contemporani de Barcelona.
Looking up a spiral staircase at the level above. There’s a red door in the distance.
Looking up through a void in a roof, forming a triangle of sky. Framed in the sky is the top of a tower block in the Barbican, which also forms a triangle shape.
Looking up at one of the entrances to the National Theatre. The photo is symmetrical - the corner leads to a stairwell at 45º, and the camera is at the bottom of the stairs.
Looking up at the exterior of one of the stairwells of the Brunswick Centre.
Looking directly up the Torre Galp from just inside the structure. The structure is painted in a light green-blue colour and made of many steel beams. On the right a walkway arcs around the frame.
Looking up at a grand ceiling.
Looking up at two exterior sculptural concrete towers in the Champalimaud Foundation. The towers are light grey in an otherwise deep blue sky.