Fig. 2

Images taken during the campaign at the church of St George. a The LIBS probe head mounted on the platform and brought to the proper height by adjusting the tripods. b LIBS probe and c Raman probe during in situ measurements

Images taken during the campaign at the church of St George. a The LIBS probe head mounted on the platform and brought to the proper height by adjusting the tripods. b LIBS probe and c Raman probe during in situ measurements