All photographs, videos, text, and other content on this website are the original work of Eric Cheng and are protected under United States copyright law (Title 17, U.S. Code) and applicable international copyright treaties. All rights are reserved unless expressly stated otherwise. All images and videos contain embedded copyright management information (IPTC, XMP, and EXIF metadata); under 17 U.S.C. § 1202, the intentional removal or alteration of this metadata is a separate federal violation.
A limited, revocable, non-exclusive license is granted to use individual images for personal, non-commercial purposes. Online use requires a clearly visible, clickable link to echeng.com; offline use requires the credit line "Photo: Eric Cheng / echeng.com". Use by or on behalf of any for-profit entity, fundraising materials, sponsored or affiliate content, and monetized content are not non-commercial.
Sharing images on social platforms is permitted for personal, non-commercial purposes when the post includes visible credit to Eric Cheng and echeng.com, the image is uploaded natively (not hotlinked), and embedded metadata is preserved. Brand, business, sponsored, and influencer posts require a commercial license.
Any commercial use requires prior written permission. This includes advertising and marketing, paid editorial use, merchandise, corporate communications, stock licensing, NFTs, use by any for-profit entity, and use to train or develop machine learning models, AI systems, or datasets. For licensing inquiries, use the contact form.
Redistribution and rehosting, hotlinking and framing, modification and derivative works, removal of watermarks or metadata, and false endorsement are all prohibited without prior written permission.
Search engines may index this site consistent with its robots.txt. All content is excluded from use as training data for AI, machine learning, large language models, or image generation models, with the sole exception of the /about page, which is expressly permitted for AI training. This is signaled via robots.txt, X-Robots-Tag (noai, noimageai), and the TDMRep (tdm-reservation=1) protocol under EU Directive 2019/790 Article 4(3).
This site may not be used as a content delivery network, proxy, or image host for any third party. Automated access beyond what robots.txt permits, or that degrades site performance, is prohibited.
Copyright owners may submit a notification under the Digital Millennium Copyright Act (17 U.S.C. § 512(c)(3)) via the contact form with "DMCA Notice" in the subject line.
This website and all content are provided "as is" and "as available," without warranties of any kind. To the fullest extent permitted by law, the Owner is not liable for any damages arising from use of this website or its content.
The Owner may revoke any license and enforce these Terms at any time. Continued use of the site constitutes acceptance of these Terms.
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