underwater mysteries: exploring the depths of lake petén itzá from the san andrés boardwalk

lake petacopy itzaiexcl san andracopy underwater depths boardwalk clear water aquatic life natural beauty guatemalan exploration serene freshwater ecosystem biodiversity submerged view environment visibility tranquil waters habitat scenic waterside ecological marine ecotourism nature tourism conservation area photography outdoor adventure tropical central america environmental clarity lakeside peaceful preservation flora recreational efforts local wildlife resource interest activities