Есть ли в тексте какие-либо оплошности?Пы Сы.Я просто переводила маленькой рассказ,нужно

Есть ли в тексте какие-или оплошности?
Пы Сы.Я просто переводила маленький рассказ,необходимо выяснить всё ли верно.


State Reserve arboretum "Sofiyivka" is located in the city of Uman, Cherkasy region. Without a doubt, this is one of the masterpieces of landscape art. It is called the pearl of Ukraine.
Unfortunately, the names of those who мейд their own hands "Sofiyivka" is not preserved. Recently we found out the names of three builders: John and Elijah Vdovychenko and Korney Jones. All were serfs. The designer is a Polish military engineer Mortar. Orders for construction was created Stanislaw Potocki. The masterpiece was present for his future wife Sofia.
The park was created in a rocky ravine Kamenka,near the town. It proceeded meandering creek Bagno Overall Kamenka had at that time unattractive appearance.
Creation of the park began in 1796. It was dug rates, with huge boulders built viewing platforms and grottoes. Bagno Creek dressed in granite and blocked the thresholds making beautiful cascade. Upper Dam rate, called Sweet Sea raised to a height of 22 meters above the level of the lower rate. This enabled a fountain, which rises up 20 meters high,giant fontains parabola playing all the colors of rainbow in the sun. The sweet sea laid underground channel, symbolizing the mythical river Styx. According to Greek mythology, Charon river that carries souls of the dead to the kingdom of Hades. And in Park River Styx flows into the so-called Dead Sea. Not everything in Sofiivka associated with Greek mythology. For example, in a bet is lying a huge piece of granite. It is called Death Stone. The legend connects its origin and name from an accident during construction. Here serfs died, crushed by an unbearable burden. The park trees were planted local species and exotic plants from around the world. Alley is decorated with statues of ancient gods and goddesses мейд of the best sculptors in Italy.
Uman park is the original standard for professionals of landscape art and wery beautiful place, where each should go.