In recent years he has made several studies of cities with a view towards socio-political views and the city as a site of independent character. These works have been published by Hatje Cantz and, more recently, by The Velvet Cell and focused on cities as varied as Shanghai, Cairo and Wolfsburg among others. One late night (and one simultaneously early morning) in July 2016 Christopher J Johnson of photo-eye Bookstore and Peter himself had a phone conversation between the cities of Santa Fe, NM and Kochi in India.