A group of engineers are leveraging WhatsApp to coordinate rescue efforts following devastating floods in Nepal. Hundreds are missing, particularly around six hydropower plants, with authorities hoping some may have found refuge in tunnels within the facilities. The engineers, utilizing their expertise and communication platform, are providing crucial guidance regarding the plants' infrastructure and potential escape routes. This real-time information is proving invaluable as rescue teams navigate the challenging terrain and dangerous conditions. The focus is on locating approximately 900 people reported missing, with the possibility that some were able to evacuate into tunnel systems. The speed and accessibility of WhatsApp have been critical in this rapidly evolving emergency situation, allowing for swift information sharing. The situation remains fluid as rescue operations continue.