September 2018, NE Bulgaria, Prof. Ajdanlijsky in ...

September 2018, NE Bulgaria, participants of the s...

September 2018, NE Bulgaria, one of national dinne...

May 2020, south-central Poland, in the museum in K...

May 2020, south-central Poland

May 2020, south-central Poland, abandoned quarry n...

May 2015, Trip to SE Poland participants

May 2015 Field trip, explanations and their percep...

June 2018, Western Ukraine, hard weather condition...

June 2018, Western Ukraine, at the donkey

Field trip May 2015, session of students presentat...

April 2017 - SW Poland, trip partcipants in the tr...

April 2017 - Sudetes, searching for minerals

April 2016, Romanian Carpathians, measurements in ...

April 2016 Romanian Carpathians, at an outcrop

April 2016 Romania, Maramures Mts., transport from...