RIYADH/JEDDAH: Cities across the Kingdom are gearing up for celebrations to mark the 89th Saudi National Day. The government has announced a four-day holiday starting on Sept. 20. Meanwhile, the General Entertainment Authority (GEA) has announced events nationwide, including firework shows, concerts, festivals, art installations, photo opportunities, kids’ workshops, live screenings, kiosks and high-end popup restaurants. National Day honors the unification of Saudi Arabia by its founder King Abdul Aziz Al-Saud. On Monday, Riyadh will host concerts by Emirati singer Hussain Al-Jassmi and Saudi icon Abadi Al-Johar at the King Fahad Cultural Center. The capital will also host international shows from Sept. 21-23. Some hotels have special programs lined up, and shops have stocked up on products in green, the color of the national flag, which is in high demand for the occasion. “Keeping National Day in mind, children prefer to take green-colored stationery, clothes, balloons and toys,” a sales executive at a hypermarket told Arab News. The first of the GEA’s activities kicked off on Thursday evening in the region of Jeddah. National songs The festivities were held on Prince Mohammed bin Abdul Aziz Street and Corniche Road, with performances of national songs and fashion shows representing Saudi cultural heritage. The events include workshops for children, and will end with a firework show. Concerts by Saudi stars Rabeh Saqer and Waed will take place  at King Abdullah Sports City. Dammam, Riyadh and the Eastern Province will host performances by Kuwaiti singer Nawal El-Kuwaitia and Saudi singer Ayed. Cirque du Soleil will perform at the Dhahran Expo until Monday.HIGHLIGHTS • On Monday, Riyadh will host concerts by Emirati singer Hussain Al-Jassmi and Saudi icon Abadi Al-Johar at the King Fahad Cultural Center. • The capital will also host international shows from Sept. 21-23. • Hail is hosting concerts by Iraqi-Saudi singer Majid Al-Muhandis and Saudi singer Dalia Mubarak. Hail is hosting concerts by Iraqi-Saudi singer Majid Al-Muhandis and Saudi singer Dalia Mubarak at Prince Abdul Aziz bin Musa’ed Stadium. In Jazan, families enjoyed heritage shows on the Corniche as well as Saudi art and photography. Storytellers entertained children with tales of King Abdul Aziz and the unification of Saudi Arabia. Artwork celebrating modern and historical architecture in the Kingdom was exhibited. Jazan will host Saudi singers Mohammed Abdo and Turki Abdullah at the Prince Sultan Cultural Center on Sunday. National Day celebrations will provide various arts courses. Visit www.enjoy.sa to book a course in your city. The courses include pottery and Kufic Arabic calligraphy in Al-Jawf; how to play the rebab in Arar; photography and how to play the oud in Al-Baha; Thamudic calligraphy and incense making in Hail; wrapping flower bouquets in Tabuk; and special effects makeup in Asir. There will be a major aerial show in Riyadh, Jeddah and the Eastern Province, and a falcon show in Riyadh, Jeddah and Alkhobar.