VI Photography Contest: "The Light and the City"
Photos should be uploaded by May 18, 2023
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AOP 2024
16-19 July, 2024 | Aveiro, Portugal
Abstracts deadline: March 31, 2024 (23:59 GMT)
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Call for papers RIAO/OPTILAS 2023
March 27-31, 2023 | Costa Rica
Submission deadline: until Friday, January 27, 2023