On Friday 11 May, Dr Karydis gave a lecture at Trinity College, University of Oxford. Entitled ‘Visualising Justinian’s Church of the Holy Apostles at Constantinople’, the lecture presented Karydis’ work on the church of the Holy Apostles, which will be published in a forthcoming Dumbarton Oaks volume. Other lectures Karydis delivered during this academic year included a paper on Early Byzantine Architecture at the Institut National de l’Histoire de l’Art in Paris (30/10/2017), and a lecture on 19th-Century, Greek Revival Architecture at the National Technical University of Athens (12/1/2018). A video recording of this lecture can be found through the following link: http://www.blod.gr/lectures/Pages/viewspeaker.aspx?SpeakerID=4982