Černý důl shaft
© Otava, Jiří | 2012
|
Źluté písky adit
© Otava, Jiří | 2012
|
Cenomanian sandstones on tonalites
© Otava, Jiří | 2012
|
Cenomanian sandstone
© Otava, Jiří | 2012
|
Jurassic geodes
© Otava, Jiří | 2012
|
Josefov brachiopode limestones
© Otava, Jiří | 2011
|
Old red facies sandstones and conglomerates
© Otava, Jiří | 2006
|
Mokra near Brno - western quarry
© Weiner, Tomáš | 2012
|
Březina shales
© Otava, Jiří | 2011
|
Durbachite boulder
© Otava, Jiří | 2005
|
© Otava, Jiří | 2013
|   |   |   |   |   |