Lapse of memory 35x110cm
Observation 70x 140cm
Phenomenon 90x180cm
Recollection 6 90x110cm
Recollection 5 110x175cm
Wastewater treatment plants 2 75x150cm
Wastewater treatment plants 4 105x240cm
Wastewater treatment plants 3
Wastewater treatment plants 1 75x150cm