A professional investigation-style educational poster titled 'LAKE SEVAN: CAN WE SAVE ARMENIA'S BLUE PEARL?' Designed as a CSI crime investigation board mixed with a medical emergency board. Central large beautiful photo of Lake Sevan (blue water, mountains) treated as a 'patient' with medical cross symbol and patient monitor lines. Surrounding elements: CASE label at top, EVIDENCE cards showing pollution data, SUSPECTS section with four mugshot-style cards labeled 'Pollution', 'Excessive Water Use', 'Eutrophication', 'Climate Change'. SYMPTOMS section with medical icons (heart rate, oxygen, thermometer) showing alarming readings. DIAGNOSIS section as a medical chart clip board. TREATMENT section with prescription pad showing solutions. Two presenter profiles: 'ANAHIT — CSI DETECTIVE' with magnifying glass icon badge, and 'ARTAK — MEDICAL EXAMINER' with stethoscope icon badge. Red string connecting evidence, yellow police tape border. At the bottom: 'FINAL QUEST: SAVE THE BLUE PEARL' section with three mysterious doors numbered 1, 2, 3 labeled 'Evidence', 'Treatment', 'The Future'. Color scheme: deep blues, teal, red accents, yellow tape. Clean modern infographic style. Short B1+ English text, bullet points, readable fonts. Investigation board aesthetic with push pins, paper notes, clipboards.