Does this video portray a river getting drained in the ocean following a beachgoer digs a trench which has a shovel? Тодор Георгиев СТОЙЧЕВ ИФ-БАН, секция „Истмат” Истмат Н. Василев, проф. Ж. Стоянов, проф. И. Стъпова; становища – проф. Н. Андреев, проф. Л. Киров, проф. Ц. Коцев, проф. Ф. Марчев https://janisj541ozk2.blogdeazar.com/profile