sunset shots, big difference between boreal forest (above) and tropical ocean (below) sunsets, mainly due to the superior mirage caused by inversion layers in Alaska vs. inferior mirage like hot surface road mirage in Hawaii. Green flashes were seen both sunsets but different timing.

In some place on tropical mountain, freeze-thaw cycles are over 200 times per year, stones are mass wasting 23-180cm recorded during 52years of monitoring periods, probably longest record and keep going…