Situates at the conjunction of the Mekong, Tonle Sap River and Tonle Bassac, Phnom Penh features the significant cultural and historical Royal Palace, Silver Pagoda, National Museum and religious Wat Phnom that was built atop the hill in the heart of the capital. In the deep sadness, the killing field of Cheung Ek and the transformed Tuol Sleng museum (S21 Prison) attract hundreds…