Fill in the gaps with proper articles.
"In (a)______heart of the bustling city, there stands (b) _______imposing skyscraper, (c)______ true marvel modern architecture. Its sleek glass facade reflects the vibrant life of the metropolis below. The lobby boasts an exquisite marble floor, and a grand chandelier hangs from the ceiling. (d)_______security guard greets visitors at the entrance, directing them to the elevators. Once inside, you'll find a high-speed elevator with a mirrored interior. On the 50th floor, there's a luxurious penthouse apartment with breathtaking panoramic views of the city. The penthouse features a spacious living room, adorned with contemporary art pieces, and a state-of-the-art kitchen with granite countertops. The master bedroom is a sanctuary of comfort and elegance, with a plush
king-size bed and a private balcony. As you gaze out over the city lights, you can't help but feel fortunate to experience such opulence in (e)________ midst of urban life."