1 2 Building Malaysia Together 3 Questions With Ruth Yeoh Lights on/lights off at U-Thant Place (Earth Hour 2021) Lights on/lights off at Menara YTL (Earth Hour 2021) Lights on/lights off at Sydney Harbour Hotel (Earth Hour 2021) Lights on/lights off at Wisma Atria (Earth Hour 2021) Lights on/lights off at Mid Field 2 Sungai Besi (Earth Hour 2021) Lights on/lights off at E-MAS main workshop (Earth Hour 2021) Lights on/lights off at Brisbane Marriott Hotel (Earth Hour 2021) Archive 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013