Scuba diver in dry suit walks into subzero icy frozen lake for ice dive

scuba diver dry suit ice dive penetration diving technical dive lake drysuit subzero icy water frozen exposure suit specialized equipment icy technical diving diving ice man ice diving skills overhead environment entry point adventurer recreation scuba diver low temperature frozen lake freezing wellbeing extreme immersion exposure cold challenge winter wellness dive site submerge underwater exploration dive extreme cold sweden shallow focus shallow depth leisure professional high risk environment exposureprotection extreme sport