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Prehistoric handprints in negative technique on rock wall, cave painting in red, ochre and black,
BRK26F60_351

Prehistoric handprints in negative technique on ro...

Soviet aircraft over the Berlin Reichstag, Mitte, Berlin in April 1945. J. Chaldej used two
BRK26B84_454

Soviet aircraft over the Berlin Reichstag, Mitte, ...

Carl August von Steinheil, 1801 - 1870, a German physicist, inventor, engineer and astronomer, Carl
BRK24H57_436

Carl August von Steinheil, 1801 - 1870, a German p...

Coronavirus sample procedure
BRK22H26_403

Coronavirus sample procedure