Ice Bubbles @ Abraham Lake, Alberta, Canada (Picture by Emmanuel Coupe) - Frozen methane gas bubbles released by plants on lake bed are stacked up every winter to form these beautiful pillars of ice bubbles
Importância do Teste de Vazamento ou Estanqueidade – Primário e Secundário
By Long Nguyen: This image is taken at lake Abraham in Alberta, Canada. The remote lake becomes really phenomenal with beautiful ice formations in winter. The weather was very cold at minus 7 F degree and strong wind.