Try metering off your hand, then setting speed and aperture, and bracket your shots. Bring extra batteries for cold weather, and keep them warm in an inside pocket. Cold causes batteries to die quickly, but they will recover when warm again. Do bring a video camera, plenty of tape and charged batteries, or a charging system. The avens is a member of the rose family.
Plants form a mat on calcium-rich gravelly soil.
The mat collects dust and leaves, slowly building up a thick layer of humus beneath the plants. Each plant bears one tiny creamy white bloom. The flowers act as solar collectors, gathering heat to mature the seeds, which spread in the wind. More than 30 tour operators offer over 70 exciting packages to view our natural wonders.