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The topic of the paper is the analysis of the situation in the secondary real estate market in Krakow from 2017 to 2020. The research was conducted based on data obtained from the register of real estate prices and values. The results of the research helped detect changes occurring in the indicated years; the number of transactions in the housing market in the city oscillated around the value of 4,000 for each year. The high demand for real estate was significantly disrupted by 2020 and the outbreak of the COVID-19 pandemic. Despite an almost 50% drop in the number of transactions and reduced interest from potential buyers, the price of 1m² of residential space rose steadily. Thus, the pandemic only affected the number of transactions, while no deceleration of the rising trend was observed in terms of the average transaction price or the average price per square meter.

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Post-mining grounds and spoil tips frequently render landscapes permanently flawed. As a result of mining activity, considerable stretches of land are often permanently excluded from further use. Due to the extensively transformed landscape, it is necessary to implement revitalisation processes. Relevant design and investment activities, coupled with the cooperation of specialists such as architects, civil engineers, geotechnicians, hydrotechnicians and environmental engineers, along with local authorities, can offer a comprehensive functional programme for areas degraded by mining and provide local residents with an attractive leisure area. This article discusses the current state of knowledge on the revitalisation of former mining areas, with special regard to architectural, environmental, social, and economic aspects. The aim of the study is to review and promote design solutions which permanently restore previously degraded areas to local communities. Various concepts of revitalisation of degraded areas are presented, based on examples of landscape architecture at home and abroad. The selected examples comprise natural regeneration, reclamation, and ecological engineering. These are examples of a holistic and modern approach to the development of tourist and environmentally active areas in post-mining sites and spoil tips. Furthermore, the study presents the authors' proposal concerning the revitalisation of a spoil tip area at LW Bogdanka mine for winter sport purposes and other activities, for which the demand was signalled by their management. The discussed examples can serve as an inspiration for future actions and executive projects, undertaken in accordance with the guidelines of Agenda 2030 and Fit for 55 policies.

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The pavement recycling method is one of the practical ways to integrate sustainable development into transportation infrastructure, and it has been adopted worldwide. The use of reclaimed asphalt pavement (RAP) in new asphalt highways is limited due to the ageing effects caused by UV damage and weathering on the asphalt binder. To address this issue, waste vegetable oil (WVO) and waste engine oil (WEO) have been proposed as potential rejuvenating agents to enhance the recyclability of pavements containing RAP. This study evaluated the effectiveness of WEO and WVO as chemical rejuvenating agents through various tests on both aged and virgin asphalt binders. The tests included measurements of ductility, fire, and flash points, softening points, and penetration. The results indicate that the addition of WEO and WVO can improve the low-temperature properties of asphalt binders when mixed with RAP, resulting in reduced stiffness. The mixture containing WEO and WVO exhibited improved stability compared to the control, suggesting enhanced flow with increasing waste oil content in comparison to aged binder, albeit with slightly reduced flow compared to the virgin binder. This study demonstrates the potential of WEO and WVO as recycling agents to enhance the performance of bituminous mixes incorporating RAP.

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The Islamic heritage constitutes a very precious treasure in Algeria, especially the places of worship (mosques), which reflect the symbol of this heritage. They are considered important landmarks in cities through architectural elements such as the dome and the minaret. Minarets are used by the muezzin to invite people to pray; they were previously built near the mosque or inside it, next to the prayer room. Later, they appeared as angular towers of mausoleums. This research is part of an analytical study of the minarets in Algeria during the medieval period (Bani Hamad, Moravid, Zayyanid, Marinid, and Ottoman) which were selected and then classified according to their various typologies (dimensions, forms, designs, etc.), and evolution over time. The main objectives of this work are to search for the forms that determine the typology of the minarets of each period. It also examines the correlation between dimensions and geometric parameters employed in the design conception of these minarets. The research followed a monographic method that relies on field observation and documentation, while including a thorough reading of history. The results show that the constant form of the vertical section of the minaret, with the same dimensions between the top and bottom, represents two-thirds of the main tower of the minarets. We also conclude that the square shape of the horizontal section of the minaret represents two-thirds of the main tower of the minarets, which expresses the most earthquake-resistant form. These dimensions play a pivotal role in enhancing the minaret's visual allure and architectural equilibrium, in addition to their earthquake resistance virtues.

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Addressing the limitations of current digital simulations for historical buildings, this paper suggests a specific technical task for the development of a simulation analysis platform based on City Intelligent Modelling (CIM). The objective is to establish a systematic approach for digitally maintaining and managing historical dwellings. The technique presented in this paper focuses on constructing sophisticated parametric models that offer numerous modelling benefits, allowing for convenient updates to the Historic Building Information Modelling (HBIM). The text discusses various applications and integrations of Building Information Modelling (BIM) in urban planning, construction projects, and historic building renovations. CIM is presented as a comprehensive digital platform that visually represents cities, aiding urban planners in decision-making for sustainable development. The text delves into the use of advanced analytical tools within CIM for diverse data analysis, predictive modelling, and simulation to forecast trends. The focus shifts to the evolution of BIM, progressing from 3D to 5D models, influencing construction project management and cost estimation. The integration of BIM in historic building projects is explored, emphasising the challenges and proposing innovative solutions using HBIM. The paper also introduces the concept of Infrastructural Building Information Modelling (InfraBIM) in construction management, incorporating Virtual and Augmented Reality for enhanced visualisation.

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The article presents an analysis of the technical condition of the interior facades of the Donjon in the Klodzko Fortress. The aim of the study is to understand the processes leading to the deterioration of the architectural heritage. The Klodzko Fortress, located in Lower Silesia, is one of the most important and largest fortifications in Poland, with a rich history dating back to the Middle Ages. Modern structures date mainly from the 17th and 18th centuries. The article focuses on the analysis of the technical condition of the internal facades of the donjon, which are exposed to various degradation factors such as weather conditions, human activity and time. The studies were carried out in 2016 and 2023. They aimed to determine the current condition of the donjon's internal facades and the causes of the observed deterioration. The two surveys made it possible to assess differences in damage and the speed of degradation processes and their impact on the current state of the facades.