For centuries the gondola was the chief means of transportation and most common watercraft within Venice. It is propelled by a gondolier. In modern times the iconic boats still have a role in public transport in the city, serving as traghetti (ferries) over the Grand Canal.ondola Races on the Grand Canal of Venice, by Grigory Gagarin (1830s). The image shows so-called gondolinos, a slimmer and light-weight version of the gondola specifically built for racing and elegant outings.
Pericardium: The conical sac of fibrous tissue that surrounds the heart and the roots of the great blood vessels. The pericardium's outer coat (the parietal pericardium) is tough and thickened, loosely cloaks the heart, and is attached to the central part of the diaphragm and the back of the breastbone.
The parietal pericardium is an outer layering wall of the Pericardial Cavity between the pericardial membranes. The outer-most layer is the fibrous layer (fibrosa), and contains nerves, blood vessels, and lymphatics.he visceral pericardium is the inner-most layer of the pericardium, and is also known as the Epicardium as it lays upon the heart.