Possible Clues:

• More than enough by the look of it
• Lovely to see and hear the tower?
• Name of tower, roughly speaking, providing a fascinating sight
• Rumour has it, the engineer of famous building, something to behold
• Drop-dead gorgeous one
• Fantastic view from French tower, we hear
• Sight and sound of a monumental building
• A good look
• As much as can be taken in by a look
• Discussed tower that's worth a look!