For the Blake and Mortimer series by Edgar P. Jacobs, van Dongen and Teun Berserik made the diptych ‘The Valley of the Immortals’ part 1 & 2, based on a script by Yves Sente, which was published in 2018 and 2019 by Dargaud-Lombard. In November 2021 their third Blake and Mortimer album ‘The Last Swordfish’ was published, written by Jean Van Hamme.
Check out van Dongens introduction here as one of the comic artists of this legendary series.