In 1925, after a prolonged stay in the village of Ilovăț, Mehedinți County, Ressu finished one of his best-known paintings, Ploughmen Resting, currently housed in the Iași Museum of Art.
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He continued his studies at the School of Fine Arts in Iași, where he studies with painters Gheorghe Popovici and Gheorghe Panaiteanu Bardasare.