28th Ji.hlava International Documentary Film Festival

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Dust is a whale, is sunlight
Dust is a whale, is sunlight
Dust is a whale, is sunlight
Dust is a whale, is sunlight
Dust is a whale, is sunlight

Dust is a whale, is sunlight

director: María Casas Castillo
original title: Dust is a whale, is sunlight
country: Belgium, Hungary, Portugal
year: 2023
running time: 20 min.


Mark Bosselaers is a marine paleontologist for whom the skeletal fragments of whales are nearly his whole life. In this minimalist portrait, we learn about his sometimes almost detective-like work and his distinctive theories. Everything is connected in Mark's vision – the sunlight, the whales and the dust we eventually turn into.

“Ideally, I would love to spend all day working on whale fossils, but of course I also have to do the occasional chores around the house for my wife.” — Mark Bosselaers

Source: KZGW


María Casas Castillo is a Mexican filmmaker who studied visual anthropology at the University of Manchester. She has made several documentaries for Spanish television stations and has directed several ethnographic films focusing on the customs and folklore that define life in traditional regions.

more about film

director: María Casas Castillo
cast: Mark Bosselaers
producer: Victor Candeias
script: María Casas Castillo, Mark Bosselaers
photography: María Casas Castillo, Sujay Iyer
sound: Sujay Iyer
Ministerstvo kultury
Fond kinematografie
Creative Europe Media
Město Jihlava
Kraj Vysočina
Česká televize
Český rozhlas