You are observing a refraction phenomenon here. Light from a carefully chosen colorful background bends when passing through water in clear glassware.
***** Proud to have this photo won second place in the Art For Weddings And Party contest!
Honored to have this photo featured in the Fine Art America groups: - Pretty In Pink Blue Or Purple - Grow Your Audience
***** This image is available in different sizes and can be printed using a variety of materials. Besides museum-quality prints for your walls, this image can be used to create unique home décor items and other products. All purchases have a 30-day money-back guarantee. ***** This image is copyrighted and owned by the artist, Elvira Peretsman. All rights reserved. The image may not be copied, reproduced, manipulated or used in any way, without written permission of Elvira Peretsman. You can share a link to this image, as long as it directs back to Elvira's work.