RIYADH: Sculptors from across the globe will soon be transforming the streets of Riyadh into a borderless art gallery, using locally sourced stone from Tuwaiq, an area just outside of the capital, for the fourth edition of Tuwaiq Sculpture. This year’s theme is “Energy of Harmony” and the artworks will be on display in Durrat Al-Riyadh from Feb. 5-10. Sarah Alruwayti, head of