Barcelona - Ceiling of the Sagrada Familia, Spain. The columns of the interior are a unique Gaudí design. Besides branching to support their load, their ever-changing surfaces are the result of the intersection of various geometric forms.
Eco-Friendly Natural Swimming Pools Natural pools eliminate harsh chemicals like chlorine by combining the cleaning properties of plants with bio-filtration and skimming systems. The pools are separated into two zones the plant zone and the swimming zone.