Rainbows in summer sun at Gullfoss in the Golden Circle by Erik Solie, Hidden Iceland._-31 Posted on October 9, 2022October 9, 2022 1440 × 961 Rainbows in summer sun at Gullfoss in the Golden Circle by Erik Solie, Hidden Iceland. Rainbows in summer sun at Gullfoss in the Golden Circle by Erik Solie, Hidden Iceland.