Großes Hasenloch 2018

Cave painting, The Prehistoric Labyrinth, Labyrinth of Buda, Upper Palaeolithic

A wall in Onkalo spent nuclear fuel repository under construction 450 metre deep, Olkiluoto Finland, 2014

Steinheimer Meteorkrater „Exotische Landfülle auf der Alb“, Meteor Crater Museum in Sontheim im Stubental, 2008

Doll head, old town of Cologne, beginning of 20th century

Onkalo spent nuclear fuel repository under construction 450 metre deep, Olkiluoto Finland, 2014

Flute carved out of bone, old town of Cologne, Middle Ages

Kakus cave entrance, Germany, 300,000 years before present

Die carved out of bone, old town of Cologne, Middle Ages

Hollowed stone, old town of Cologne, Middle Ages

Inscribed slate plate "YT•YS•NEYT•ANDERS (Et kütt wie et kütt)", old town of Cologne, before 1349

Television news studio, Kuala Lumpur, 2012

Latrine, old town of Cologne, ca. 12th century

Fossilised Mobile phone, Buda mountains Hungary, ca 40 mi. years old

Mt Etna, Sicily Italy, 15. November 2011

Visitor centre at the nuclear plant Olkiluoto, Finland, 2014

Kakus cave, Germany, 300,000 years before present