Stone bridges are structures made primarily from stone, designed to span physical obstacles like rivers or valleys. They have been used for centuries, showcasing the engineering skills of various cultures. The durability of stone allows these bridges to withstand the test of time, often becoming historical landmarks. Many famous stone bridges, such as the Ponte Vecchio in Florence and the Charles Bridge in Prague, highlight the artistry and craftsmanship of their builders. These bridges not only serve practical purposes but also enhance the beauty of their surroundings, attracting tourists and history enthusiasts alike.