Die Hauptquelle der Lichtverschmutzung in Mekka ist die Große Moschee von Mekka, die von über . LED-Leuchten beleuchtet wird. Diese Lichter sind so hell, dass sie vom Weltraum aus gesehen werden können, und es ist bekannt, dass sie die natürlichen Migrationsmuster von Vögeln stören. Neben der Großen Moschee werden nachts mehrere weitere Wahrzeichen der Stadt beleuchtet, darunter die Abraj Al Bait Towers, die zu den höchsten Gebäuden der Welt gehören.

The second line which is a metro line with .&#; km length and stations. line construction is going to finish in early . The first phase of line with kilometers and stations is started on February . On March two stations were added to the network in test operational mode and the first interchange station was added to the network. On May , Iranian President Hassan Rouhani took part in the inauguration ceremony of the first Mashhad Urban Railway interchange station, "Shariati", which connects line and .

The roofscape is one of the most important components that shapes the spirit of the Cloud Valley. It allows for an abundance of nature to co-exist with the office programs, thus preserving the wild landscape experience that’s traditionally difficult to access within the city limits. The green roof also embodies an ecological cohesive coexistence between human, nature, climate, and technology. To display the ultimate gesture of nature meeting technology, the green roof carpet shaping the valley and the mountain turns into the largest digital display in China at night.

Rather than a single hermetic entity, BIG has  dissolved the ESET Campus into an urban village of interconnected buildings, framing public paths and urban squares. The diverse cluster of individual pavilions is unified by the undulating solar roofs – forming a single silhouette rising from the forested park like a man-made addition to the Little Carpathians mountain range. The ESET Campus is expected to open in .

The volumes of varying sizes and depths are stacked on top of each other from the largest at the base to the smallest towards the top. The stacking creates large outdoor terraces full of lush greenery and unprecedented views of the surrounding cityscape, extending life and social interaction outdoors. The modernist skyscraper and the contemporary interpretation of the pre-modern setback merge in a new hybrid and an exciting addition to the NYC skyline.