The tour guide told us that this glass is made with oil which makes it have different colors at different angles. December 4, 2016 · Eric Binnion The tour guide told us that this glass is made with oil which makes it have different colors at different angles. 39.9538748-75.1672489 «Previous Post Next Post» Comments Leave a ReplyCancel reply This site uses Akismet to reduce spam. Learn how your comment data is processed.
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