snow covered terrain ski slopes and trails ski lifts snow-making machines ski equipment such as boots, skis, poles, and helmets people skiing or snowboarding ski lodges and other buildings ski patrol signs and flags
ski, trails which has snow covered terrain ski, trails which has ski slopes and trails ski, trails which has ski lifts ski, trails which has snow-making machines ski, trails which has ski equipment such as boots, skis, poles, and helmets ski, trails which has people skiing or snowboarding ski, trails which has ski lodges and other buildings ski, trails which has ski patrol signs and flags