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. 2021 May 28;18(11):5799. doi: 10.3390/ijerph18115799

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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$L_{A e q}$ variation in a nightlife area (Escudellers, 48): (a) $L_{A e q},$ 1min $_{2020}$ . (b) $L_{A e q},$ 1min $_{2018 t o 2019}$ . (c) Day over day comparison of the hourly $L_{A e q}$ trend between 2020 during the lockdown and 2019 on the same Saturday. (d) Aerial photography.