A tsakiyar tsakiyar gonar akwai tankin ruwa na marmara da aka ɗaga tare da tafkin mai nunawa wanda aka sanya a gefen arewa-kudu don nuna hoton kabari. An kira tankin ruwan marmara mai ɗagawa al Hawd al-Kawthar dangane da "Tank of Abundance" da aka yi wa Muhammadu alkawari. A wasu wurare, an shimfiɗa lambun tare da hanyoyi na bishiyoyi da aka yiwa lakabi bisa ga sunaye na yau da kullun da na kimiyya da maɓuɓɓugan ruwa.
Ali Mardan