Dr Shiva Pudasaini, mathematician Geoscientist, stayed at UNIL at Institute of Earth Sciences from 1st April to June 30th 2018. He initiated research with Prof. Yury Podladchikov and our group, about multiphase landslide propagation in water, debris-flow-super elevation, Bondo rock avalanche modelling, etc. He supported our PhD students. This collaboration is still ongoing and very fruitful. This collaboration led already to 3 papers that are under review.