As we look beyond 2030, several monumental undertakings are set to reshape our world. Here's an in-depth exploration of the top 10 most expensive megaprojects slated for completion after 2030.
ISSY-LES-MOULINEAUX, France--Saudi Arabia’s capital Riyadh was chosen Tuesday to host the 2030 World Expo following its bid that focused on shaping a prosperous and sustainable future ...