Prospect for Silver: Tiletum Expansion Box Opening

About Tiletum: Prospect for Silver, from BoardGameGeek:

Welcome to the Renaissance, where merchants' thirst for gold is rivaled only by their desire for silver. As you amass your initial wealth, your first move is to dispatch prospectors to delve into the depths of silver mines, extracting this coveted resource. With silver in hand, you can now invest in the expertise of scholars and artisans, gaining crucial advantages over your rivals. Moreover, you'll embark on a mission to improve the harsh conditions of mining by constructing Underground houses and Cathedrals within the mines themselves. But your ambitions know no bounds. As you expand your operations, you'll venture into new territories, previously beyond your reach, sending your prospectors to uncover even more lucrative mines. Are you ready to navigate the treacherous waters of Renaissance commerce and claim your place among the elite merchants of the era? Tiletum: Prospect for Silver introduces a unique resource, Silver. To gain it, you need to utilize a new type of action that controls your Prospectors, moving them on Underground maps in search of sources of this precious material. Moreover, Silver allows you to acquire Technologies that vastly enhance your game. -description from the publisher