Check out this behind the scenes video from photographer Adam Rainoff arainoffphoto , showing how he captured the Zhangye Rainbow Mountains in Gansu, China, with the help of our WonderPana CPL filter. - #Landscapephotography #Fotodiox #FotodioxPro #China #TravelPhotography #filter #photofilter #UWALens #PENTAXK1 #Pentaxlens #Pentaxian #Photographer #AdamRainoff #Lanzhou #Gansu #filtersystem #WonderPana #CPLfilter #circularpolarizer #ZhangyeRainbowMountains #pentax1530