A paper by Xianming Shi and Gang Xu titled “Characteristics and applications of fly ash as a sustainable construction material: state-of-the-art review” (published in 2018) was awarded the 2020 Most Cited Paper Award by Resources Conservation & Recycling! Congratulations! https://www.sciencedirect.com/science/article/abs/pii/S092134491830140X?via%3Dihub=