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Doc. Ing.: Acegas Manhole [Trieste - 20 May 2012]
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Doc. Ing.: Manhole Cover [Cambridge - 13 August 2012]
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Doc. Ing.: Telefónica [Barcelona - 16 September 2012]
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Doc. Ing.: Algues De Barcelona [Barcelona - 16 September 2012]
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Doc. Ing.: Fognatura Del Comune Di Treviso [Treviso - 17 September 2012]
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Doc. Ing.: Anonymous Manhole Cover [Frisanco - 13 April 2013]
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Doc. Ing.: Three Towers Manhole [Prague - 12 August 2013]
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Doc. Ing.: Mesto Cesky Krumlov [Cesky Krumlov - 15 August 2013]
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Doc. Ing.: Grad Pula Kanlizacija [Pula - 21 August 2013]
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Doc. Ing.: Grad Pula Telefon [Pula - 21 August 2013]
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Doc. Ing.: Electricity [Palmanova - 16 March 2014]
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Doc. Ing.: Kingston Electric System [Kingston - 7 August 2014]
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Doc. Ing.: Ottawa Hydro [Ottawa - 8 August 2014]
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Doc. Ing.: Grad Cres [Cres - 12 August 2017]
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Doc. Ing.: "Metal Covers Of The City Of Belgrade" by Antonio G. Lauer (aka Tomislav Gotovac) [Venice - 19 November 2011]
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Doc. Ing.: Kanalisation . Freiburg i. Br. [Freiburg Im Breisgau - 8 December 2017]
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Doc. Ing.: EXCMO Ayuntamiento Valencia [Valencia - 28 January 2019]
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Doc. Ing.: Vodovod [Grožnjan - 23 July 2022]
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Doc. Ing.: Pisa Aqueduct [Pisa - 2 March 2024]