The Louvre is the world's most visited museum, receiving 7.3 million visitors in 2016. The museum is housed in the Louvre Palace, originally built as a fortress in the late 12th century under Philip II. Remnants of the fortress are visible in the basement of the museum.
Answer by Ceyhun erdogan. Retroperitoneal organs are found behind the peritoneum, between it and the abdominal wall. These include the kidneys, adrenals, and pancreas.nswer by Ceyhun erdogan. Retroperitoneal organs are found behind the peritoneum, between it and the abdominal wall. These include the kidneys, adrenals, and pancreas.
1 They are considered retroperitoneal, which means that they lie behind the peritoneum. 2  The renal artery connects the kidneys to the aorta, while the renal vein connects the kidneys to the inferior vena cava.  The adrenal glands lie superior to the kidneys.