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![Windows of an office building](https://photo-cdn2.icons8.com/bBUxmuB8jkmYijHz89-d0kmadOSVv1SqO6Vu1_nP7SY/rs:fit:288:384/czM6Ly9pY29uczgu/bW9vc2UtcHJvZC5l/eHRlcm5hbC9hMmE0/Mi80ZWZhMmJjYTgx/YTA0ZDUyYTcwMjNh/NTFkMTgzMTU5ZC5q/cGc.jpg)
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Windows of an office building
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Abstract
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Abstract
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![Abstract](https://photo-cdn2.icons8.com/flT48mIoAEdNxjTmM-QYX5dqnHl0qv6-FYtFC5xgkuU/rs:fit:288:384/czM6Ly9pY29uczgu/bW9vc2UtcHJvZC5l/eHRlcm5hbC9hMmE0/Mi9jYzU5NjFhOTQ5/NGI0ZmY4OGZlYWU3/NWI1OGU3M2JkMy5q/cGc.jpg)
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![Abstract](https://photo-cdn2.icons8.com/nr2iKLT6oIPuG0ok8JH80m2ylfojvJWVMEbvqtAHk04/rs:fit:288:384/czM6Ly9pY29uczgu/bW9vc2UtcHJvZC5l/eHRlcm5hbC9hMmE0/Mi82MmRhMjFiYWUy/NzU0N2Q0YWYwNDE5/N2E5YmQ2NDQ0NS5q/cGc.jpg)
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![Abstract](https://photo-cdn2.icons8.com/QPFkasMccxCQhUs1pPMN19rDWfUWOKH52MOIUTQ_3Lg/rs:fit:288:384/czM6Ly9pY29uczgu/bW9vc2UtcHJvZC5l/eHRlcm5hbC9hMmE0/Mi8yNTNjMmQ4NGFj/ZmU0NGM1OTE2NWMy/YmJlMjBjMzEwZi5q/cGc.jpg)
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Abstract
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![Abstract](https://photo-cdn2.icons8.com/sS9NfSC-LXPGSSUZjfsBd1V3gmlmIJLJoYqlOluRSCQ/rs:fit:288:432/czM6Ly9pY29uczgu/bW9vc2UtcHJvZC5l/eHRlcm5hbC9hMmE0/Mi9lMmQ2ODNlM2Fj/ODc0NDc2YmExYWRi/ZGI3NjM3ZWYwYS5q/cGc.jpg)
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Abstract
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Backgrounds
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Abstract
![Abstract](https://photo-cdn2.icons8.com/RXd6wmZrXu6xstHyHUBL2H4g9oaPFnIDLzg-29B2eAQ/rs:fit:288:385/czM6Ly9pY29uczgu/bW9vc2UtcHJvZC5l/eHRlcm5hbC9hMmE0/Mi9jZGJkOGFjNGM2/OTQ0MjkxOTJjMWY1/MmI1YTlhOWQ4NS5q/cGc.jpg)
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![Abstract](https://photo-cdn2.icons8.com/8R1pKzSDoJQrmInTK8MO8idrwtOInQMb5ji2tAsp09I/rs:fit:288:192/czM6Ly9pY29uczgu/bW9vc2UtcHJvZC5l/eHRlcm5hbC9hMmE0/Mi8yYWJkMzJjYWNk/Y2U0ODIwYWQzMjBk/MWQ1OGM3ZTI0Yy5q/cGc.jpg)
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![Abstract](https://photo-cdn2.icons8.com/0Z-kfaa-1cLJ48qg29W7ACi2PX1J2_J9ZXTkLyWZA4Y/rs:fit:288:384/czM6Ly9pY29uczgu/bW9vc2UtcHJvZC5l/eHRlcm5hbC9hMmE0/Mi84YThmOWQxOTlh/YTE0NzFhYjc5OGFj/Mjk1NzBhODEyNy5q/cGc.jpg)
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Abstract
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Abstract
![Abstract](https://photo-cdn2.icons8.com/37ioD57yRwNmeRj8CwO1OnQGH_PBCUikjzuLjW_dDzQ/rs:fit:288:469/czM6Ly9pY29uczgu/bW9vc2UtcHJvZC5l/eHRlcm5hbC9hMmE0/Mi8xZWQyN2E4ZDZm/NDY0MTQ5OTExODA5/MTc1ZjI0Y2FhYi5q/cGc.jpg)
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![Abstract](https://photo-cdn2.icons8.com/7Us50jaXnD1hmCrmmBaAsayv7MDzpBClSInRDLtUn8A/rs:fit:288:384/czM6Ly9pY29uczgu/bW9vc2UtcHJvZC5l/eHRlcm5hbC9hMmE0/Mi8zNjcxY2ZiZDUy/YzQ0OTc3YWZlMDVl/MmNhZmEwOTNhOS5q/cGc.jpg)
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Abstract
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![Spacious hallway with large windows and textured ceiling](https://photo-cdn2.icons8.com/Ywg2leOZA4oTzjDUuNUU1nksPYRtYdG7BnOjhO9z1Uk/rs:fit:288:192/czM6Ly9pY29uczgu/bW9vc2UtcHJvZC5h/c3NldHMvYXNzZXRz/L3NhdGEvb3JpZ2lu/YWwvMjU3LzIyOWZj/NWYwLTdlMTMtNDA4/ZS05NjBhLTc0NmI3/NzU0ZjM1My5qcGc.jpg)
Spacious hallway with large windows and textured ceiling
![Abstract](https://photo-cdn2.icons8.com/VQuCk9TYeUVXP7guOA8l_0jHo8EvAYSosVWrAmg-l-g/rs:fit:288:383/czM6Ly9pY29uczgu/bW9vc2UtcHJvZC5l/eHRlcm5hbC9hMmE0/Mi8zYWIxZDI2NGIx/ZGQ0YTNiODE5MGY4/Yzk4OWU1NjNiMy5q/cGc.jpg)
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![Abstract](https://photo-cdn2.icons8.com/Ga3O6Jz6pCjGOdDg73YYYOzG2Wzt7yuwbxP0FYysFc8/rs:fit:288:384/czM6Ly9pY29uczgu/bW9vc2UtcHJvZC5l/eHRlcm5hbC9hMmE0/Mi9kYWQ4NDcxYTcz/MDc0ZTg1YjVhYmE4/ZWMxZTJlMjQ5NC5q/cGc.jpg)
Free
Abstract
![](https://photo-cdn2.icons8.com/PRFkIoc-AKibmc_d_EQCcgbRko4skXJJ7_bSOivCZx0/rs:fit:288:214/czM6Ly9pY29uczgu/bW9vc2UtcHJvZC5l/eHRlcm5hbC9hMmE0/Mi83NjdkN2M2MGU5/MTY0M2VlYmQxYWFm/MWM5NWY2MDVmNS5q/cGc.jpg)
Free
![Green building with newly planted trees](https://photo-cdn2.icons8.com/3chA3PZjAG4i41ycGTj3MpZCn6nSpDsfpxSImVXcwAg/rs:fit:288:192/czM6Ly9pY29uczgu/bW9vc2UtcHJvZC5h/c3NldHMvYXNzZXRz/L3NhdGEvb3JpZ2lu/YWwvNzY0L2MxYjJi/Y2ZkLWJjY2EtNDg3/MC05OWMzLWNlYWI4/NTAyZGU5Zi5qcGc.jpg)
Green building with newly planted trees
![](https://photo-cdn2.icons8.com/giKzV3wALb6QO3k3i1Bnybb7vDpsmvvD5PMg-QzeWEE/rs:fit:288:384/czM6Ly9pY29uczgu/bW9vc2UtcHJvZC5l/eHRlcm5hbC9hMmE0/Mi8zZjBhMjY3NjFj/YWE0NDc4YThmMDYz/ZDdmNjA4ODEwZi5q/cGc.jpg)
Free
![](https://photo-cdn2.icons8.com/9SwY2toK0pMWdSM24EQ7QKz1wUezRBxmbiu5Rn-V7YI/rs:fit:288:431/czM6Ly9pY29uczgu/bW9vc2UtcHJvZC5l/eHRlcm5hbC9hMmE0/Mi80NWY1ODQxZmI2/N2M0MTcxOTdmZTQ0/NTMxMDBmNWRlMC5q/cGc.jpg)
Free
![](https://photo-cdn2.icons8.com/14GogDijhvJlqELFSFacYuOo9H6tmss1k3c8ALjs28Q/rs:fit:288:381/czM6Ly9pY29uczgu/bW9vc2UtcHJvZC5l/eHRlcm5hbC9hMmE0/Mi8yMDA2OWJlODlj/ZDM0NzQzYWJiYjY4/ZGIxMWU2MmMyYS5q/cGc.jpg)
Free
![Abstract](https://photo-cdn2.icons8.com/3HN1QtLbUk0miFUDaNo5DjlbfVTh0SG0TN1_vg5ImUw/rs:fit:288:384/czM6Ly9pY29uczgu/bW9vc2UtcHJvZC5l/eHRlcm5hbC9hMmE0/Mi9lYjJiMDZhOGJj/ZDE0NmExYWNjMDBm/MDA4M2JkMzgxMi5q/cGc.jpg)
Free
Abstract